G Codes
G0008 | Administration of influenza virus vaccine |
G0009 | Administration of pneumococcal vaccine |
G0010 | Administration of hepatitis b vaccine |
G0027 | Semen analysis; presence and/or motility of sperm excluding huhner |
G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination |
G0102 | Prostate cancer screening; digital rectal examination |
G0103 | Prostate cancer screening; prostate specific antigen test (psa) |
G0104 | Colorectal cancer screening; flexible sigmoidoscopy |
G0105 | Colorectal cancer screening; colonoscopy on individual at high risk |
G0106 | Colorectal cancer screening; alternative to g0104, screening sigmoidoscopy, barium enema |
G0108 | Diabetes outpatient self-management training services, individual, per 30 minutes |
G0109 | Diabetes outpatient self-management training services, group session (2 or more), per 30 minutes |
G0117 | Glaucoma screening for high risk patients furnished by an optometrist or ophthalmologist |
G0118 | Glaucoma screening for high risk patient furnished under the direct supervision of an optometrist or ophthalmologist |
G0120 | Colorectal cancer screening; alternative to g0105, screening colonoscopy, barium enema. |
G0121 | Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk |
G0122 | Colorectal cancer screening; barium enema |
G0123 | Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, screening by cytotechnologist under physician supervision |
G0124 | Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician |
G0127 | Trimming of dystrophic nails, any number |
G0128 | Direct (face-to-face with patient) skilled nursing services of a registered nurse provided in a comprehensive outpatient rehabilitation facility, each 10 minutes beyond the first 5 minutes |
G0129 | Occupational therapy services requiring the skills of a qualified occupational therapist, furnished as a component of a partial hospitalization treatment program, per session (45 minutes or more) |
G0130 | Single energy x-ray absorptiometry (sexa) bone density study, one or more sites; appendicular skeleton (peripheral) (e.g., radius, wrist, heel) |
G0141 | Screening cytopathology smears, cervical or vaginal, performed by automated system, with manual rescreening, requiring interpretation by physician |
G0143 | Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with manual screening and rescreening by cytotechnologist under physician supervision |
G0144 | Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system, under physician supervision |
G0145 | Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system and manual rescreening under physician supervision |
G0147 | Screening cytopathology smears, cervical or vaginal, performed by automated system under physician supervision |
G0148 | Screening cytopathology smears, cervical or vaginal, performed by automated system with manual rescreening |
G0151 | Services performed by a qualified physical therapist in the home health or hospice setting, each 15 minutes |
G0152 | Services performed by a qualified occupational therapist in the home health or hospice setting, each 15 minutes |
G0153 | Services performed by a qualified speech-language pathologist in the home health or hospice setting, each 15 minutes |
G0154 | Direct skilled nursing services of a licensed nurse (lpn or rn) in the home health or hospice setting, each 15 minutes |
G0155 | Services of clinical social worker in home health or hospice settings, each 15 minutes |
G0156 | Services of home health/hospice aide in home health or hospice settings, each 15 minutes |
G0157 | Services performed by a qualified physical therapist assistant in the home health or hospice setting, each 15 minutes |
G0158 | Services performed by a qualified occupational therapist assistant in the home health or hospice setting, each 15 minutes |
G0159 | Services performed by a qualified physical therapist, in the home health setting, in the establishment or delivery of a safe and effective physical therapy maintenance program, each 15 minutes |
G0160 | Services performed by a qualified occupational therapist, in the home health setting, in the establishment or delivery of a safe and effective occupational therapy maintenance program, each 15 minutes |
G0161 | Services performed by a qualified speech-language pathologist, in the home health setting, in the establishment or delivery of a safe and effective speech-language pathology maintenance program, each 15 minutes |
G0162 | Skilled services by a registered nurse (rn) for management and evaluation of the plan of care; each 15 minutes (the patient's underlying condition or complication requires an rn to ensure that essential non-skilled care achieves its purpose in the home health or hospice setting) |
G0163 | Skilled services of a licensed nurse (lpn or rn) for the observation and assessment of the patient's condition, each 15 minutes (the change in the patient's condition requires skilled nursing personnel to identify and evaluate the patient's need for possible modification of treatment in the home health or hospice setting) |
G0164 | Skilled services of a licensed nurse (lpn or rn), in the training and/or education of a patient or family member, in the home health or hospice setting, each 15 minutes |
G0166 | External counterpulsation, per treatment session |
G0168 | Wound closure utilizing tissue adhesive(s) only |
G0173 | Linear accelerator based stereotactic radiosurgery, complete course of therapy in one session |
G0175 | Scheduled interdisciplinary team conference (minimum of three exclusive of patient care nursing staff) with patient present |
G0176 | Activity therapy, such as music, dance, art or play therapies not for recreation, related to the care and treatment of patient's disabling mental health problems, per session (45 minutes or more) |
G0177 | Training and educational services related to the care and treatment of patient's disabling mental health problems per session (45 minutes or more) |
G0179 | Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial implementation of the plan of care that meets patient's needs, per re-certification period |
G0180 | Physician certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial implementation of the plan of care that meets patient's needs, per certification period |
G0181 | Physician supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of care plans, review of subsequent reports of patient status, review of laboratory and other studies, communication (including telephone calls) with other health care professionals involved in the patient's care, integration of new information into the medical treatment plan and/or adjustment of medical therapy, within a calendar month, 30 minutes or more |
G0182 | Physician supervision of a patient under a medicare-approved hospice (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of care plans, review of subsequent reports of patient status, review of laboratory and other studies, communication (including telephone calls) with other health care professionals involved in the patient's care, integration of new information into the medical treatment plan and/or adjustment of medical therapy, within a calendar month, 30 minutes or more |
G0186 | Destruction of localized lesion of choroid (for example, choroidal neovascularization); photocoagulation, feeder vessel technique (one or more sessions) |
G0202 | Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (cad) when performed |
G0204 | Diagnostic mammography, including computer-aided detection (cad) when performed; bilateral |
G0206 | Diagnostic mammography, including computer-aided detection (cad) when performed; unilateral |
G0219 | Pet imaging whole body; melanoma for non-covered indications |
G0235 | Pet imaging, any site, not otherwise specified |
G0237 | Therapeutic procedures to increase strength or endurance of respiratory muscles, face to face, one on one, each 15 minutes (includes monitoring) |
G0238 | Therapeutic procedures to improve respiratory function, other than described by g0237, one on one, face to face, per 15 minutes (includes monitoring) |
G0239 | Therapeutic procedures to improve respiratory function or increase strength or endurance of respiratory muscles, two or more individuals (includes monitoring) |
G0245 | Initial physician evaluation and management of a diabetic patient with diabetic sensory neuropathy resulting in a loss of protective sensation (lops) which must include: (1) the diagnosis of lops, (2) a patient history, (3) a physical examination that consists of at least the following elements: (a) visual inspection of the forefoot, hindfoot and toe web spaces, (b) evaluation of a protective sensation, (c) evaluation of foot structure and biomechanics, (d) evaluation of vascular status and skin integrity, and (e) evaluation and recommendation of footwear and (4) patient education |
G0246 | Follow-up physician evaluation and management of a diabetic patient with diabetic sensory neuropathy resulting in a loss of protective sensation (lops) to include at least the following: (1) a patient history, (2) a physical examination that includes: (a) visual inspection of the forefoot, hindfoot and toe web spaces, (b) evaluation of protective sensation, (c) evaluation of foot structure and biomechanics, (d) evaluation of vascular status and skin integrity, and (e) evaluation and recommendation of footwear, and (3) patient education |
G0247 | Routine foot care by a physician of a diabetic patient with diabetic sensory neuropathy resulting in a loss of protective sensation (lops) to include, the local care of superficial wounds (i.e. superficial to muscle and fascia) and at least the following if present: (1) local care of superficial wounds, (2) debridement of corns and calluses, and (3) trimming and debridement of nails |
G0248 | Demonstration, prior to initiation of home inr monitoring, for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria, under the direction of a physician; includes: face-to-face demonstration of use and care of the inr monitor, obtaining at least one blood sample, provision of instructions for reporting home inr test results, and documentation of patient's ability to perform testing and report results |
G0249 | Provision of test materials and equipment for home inr monitoring of patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; includes: provision of materials for use in the home and reporting of test results to physician; testing not occurring more frequently than once a week; testing materials, billing units of service include 4 tests |
G0250 | Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequently than once a week; billing units of service include 4 tests |
G0251 | Linear accelerator based stereotactic radiosurgery, delivery including collimator changes and custom plugging, fractionated treatment, all lesions, per session, maximum five sessions per course of treatment |
G0252 | Pet imaging, full and partial-ring pet scanners only, for initial diagnosis of breast cancer and/or surgical planning for breast cancer (e.g., initial staging of axillary lymph nodes) |
G0255 | Current perception threshold/sensory nerve conduction test, (snct) per limb, any nerve |
G0257 | Unscheduled or emergency dialysis treatment for an esrd patient in a hospital outpatient department that is not certified as an esrd facility |
G0259 | Injection procedure for sacroiliac joint; arthrograpy |
G0260 | Injection procedure for sacroiliac joint; provision of anesthetic, steroid and/or other therapeutic agent, with or without arthrography |
G0268 | Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing |
G0269 | Placement of occlusive device into either a venous or arterial access site, post surgical or interventional procedure (e.g., angioseal plug, vascular plug) |
G0270 | Medical nutrition therapy; reassessment and subsequent intervention(s) following second referral in same year for change in diagnosis, medical condition or treatment regimen (including additional hours needed for renal disease), individual, face to face with the patient, each 15 minutes |
G0271 | Medical nutrition therapy, reassessment and subsequent intervention(s) following second referral in same year for change in diagnosis, medical condition, or treatment regimen (including additional hours needed for renal disease), group (2 or more individuals), each 30 minutes |
G0275 | Renal angiography, non-selective, one or both kidneys, performed at the same time as cardiac catheterization and/or coronary angiography, includes positioning or placement of any catheter in the abdominal aorta at or near the origins (ostia) of the renal arteries, injection of dye, flush aortogram, production of permanent images, and radiologic supervision and interpretation (list separately in addition to primary procedure) |
G0276 | Blinded procedure for lumbar stenosis, percutaneous image-guided lumbar decompression (pild) or placebo-control, performed in an approved coverage with evidence development (ced) clinical trial |
G0277 | Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval |
G0278 | Iliac and/or femoral artery angiography, non-selective, bilateral or ipsilateral to catheter insertion, performed at the same time as cardiac catheterization and/or coronary angiography, includes positioning or placement of the catheter in the distal aorta or ipsilateral femoral or iliac artery, injection of dye, production of permanent images, and radiologic supervision and interpretation (list separately in addition to primary procedure) |
G0279 | Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to g0204 or g0206) |
G0281 | Electrical stimulation, (unattended), to one or more areas, for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers, and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care, as part of a therapy plan of care |
G0282 | Electrical stimulation, (unattended), to one or more areas, for wound care other than described in g0281 |
G0283 | Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care |
G0288 | Reconstruction, computed tomographic angiography of aorta for surgical planning for vascular surgery |
G0289 | Arthroscopy, knee, surgical, for removal of loose body, foreign body, debridement/shaving of articular cartilage (chondroplasty) at the time of other surgical knee arthroscopy in a different compartment of the same knee |
G0293 | Noncovered surgical procedure(s) using conscious sedation, regional, general or spinal anesthesia in a medicare qualifying clinical trial, per day |
G0294 | Noncovered procedure(s) using either no anesthesia or local anesthesia only, in a medicare qualifying clinical trial, per day |
G0295 | Electromagnetic therapy, to one or more areas, for wound care other than described in g0329 or for other uses |
G0296 | Counseling visit to discuss need for lung cancer screening using low dose ct scan (ldct) (service is for eligibility determination and shared decision making) |
G0297 | Low dose ct scan (ldct) for lung cancer screening |
G0299 | Direct skilled nursing services of a registered nurse (rn) in the home health or hospice setting, each 15 minutes |
G0300 | Direct skilled nursing services of a licensed practical nurse (lpn) in the home health or hospice setting, each 15 minutes |
G0302 | Pre-operative pulmonary surgery services for preparation for lvrs, complete course of services, to include a minimum of 16 days of services |
G0303 | Pre-operative pulmonary surgery services for preparation for lvrs, 10 to 15 days of services |
G0304 | Pre-operative pulmonary surgery services for preparation for lvrs, 1 to 9 days of services |
G0305 | Post-discharge pulmonary surgery services after lvrs, minimum of 6 days of services |
G0306 | Complete cbc, automated (hgb, hct, rbc, wbc, without platelet count) and automated wbc differential count |
G0307 | Complete (cbc), automated (hgb, hct, rbc, wbc; without platelet count) |
G0328 | Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous |
G0329 | Electromagnetic therapy, to one or more areas for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care as part of a therapy plan of care |
G0333 | Pharmacy dispensing fee for inhalation drug(s); initial 30-day supply as a beneficiary |
G0337 | Hospice evaluation and counseling services, pre-election |
G0339 | Image-guided robotic linear accelerator-based stereotactic radiosurgery, complete course of therapy in one session or first session of fractionated treatment |
G0340 | Image-guided robotic linear accelerator-based stereotactic radiosurgery, delivery including collimator changes and custom plugging, fractionated treatment, all lesions, per session, second through fifth sessions, maximum five sessions per course of treatment |
G0341 | Percutaneous islet cell transplant, includes portal vein catheterization and infusion |
G0342 | Laparoscopy for islet cell transplant, includes portal vein catheterization and infusion |
G0343 | Laparotomy for islet cell transplant, includes portal vein catheterization and infusion |
G0364 | Bone marrow aspiration performed with bone marrow biopsy through the same incision on the same date of service |
G0365 | Vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial inflow and venous outflow) |
G0372 | Physician service required to establish and document the need for a power mobility device |
G0378 | Hospital observation service, per hour |
G0379 | Direct admission of patient for hospital observation care |
G0380 | Level 1 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is located under applicable state law as an emergency room or emergency department; (2) it is held out to the public (by name, posted signs, advertising, or other means) as a place that provides care for emergency medical conditions on an urgent basis without requiring a previously scheduled appointment; or (3) during the calendar year immediately preceding the calendar year in which a determination under 42 cfr 489.24 is being made, based on a representative sample of patient visits that occurred during that calendar year, it provides at least one-third of all of its outpatient visits for the treatment of emergency medical conditions on an urgent basis without requiring a previously scheduled appointment) |
G0381 | Level 2 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is located under applicable state law as an emergency room or emergency department; (2) it is held out to the public (by name, posted signs, advertising, or other means) as a place that provides care for emergency medical conditions on an urgent basis without requiring a previously scheduled appointment; or (3) during the calendar year immediately preceding the calendar year in which a determination under 42 cfr 489.24 is being made, based on a representative sample of patient visits that occurred during that calendar year, it provides at least one-third of all of its outpatient visits for the treatment of emergency medical conditions on an urgent basis without requiring a previously scheduled appointment) |
G0382 | Level 3 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is located under applicable state law as an emergency room or emergency department; (2) it is held out to the public (by name, posted signs, advertising, or other means) as a place that provides care for emergency medical conditions on an urgent basis without requiring a previously scheduled appointment; or (3) during the calendar year immediately preceding the calendar year in which a determination under 42 cfr 489.24 is being made, based on a representative sample of patient visits that occurred during that calendar year, it provides at least one-third of all of its outpatient visits for the treatment of emergency medical conditions on an urgent basis without requiring a previously scheduled appointment) |
G0383 | Level 4 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is located under applicable state law as an emergency room or emergency department; (2) it is held out to the public (by name, posted signs, advertising, or other means) as a place that provides care for emergency medical conditions on an urgent basis without requiring a previously scheduled appointment; or (3) during the calendar year immediately preceding the calendar year in which a determination under 42 cfr 489.24 is being made, based on a representative sample of patient visits that occurred during that calendar year, it provides at least one-third of all of its outpatient visits for the treatment of emergency medical conditions on an urgent basis without requiring a previously scheduled appointment) |
G0384 | Level 5 hospital emergency department visit provided in a type b emergency department; (the ed must meet at least one of the following requirements: (1) it is licensed by the state in which it is located under applicable state law as an emergency room or emergency department; (2) it is held out to the public (by name, posted signs, advertising, or other means) as a place that provides care for emergency medical conditions on an urgent basis without requiring a previously scheduled appointment; or (3) during the calendar year immediately preceding the calendar year in which a determination under 42 cfr 489.24 is being made, based on a representative sample of patient visits that occurred during that calendar year, it provides at least one-third of all of its outpatient visits for the treatment of emergency medical conditions on an urgent basis without requiring a previously scheduled appointment) |
G0389 | Ultrasound b-scan and/or real time with image documentation; for abdominal aortic aneurysm (aaa) screening |
G0390 | Trauma response team associated with hospital critical care service |
G0396 | Alcohol and/or substance (other than tobacco) abuse structured assessment (e.g., audit, dast), and brief intervention 15 to 30 minutes |
G0397 | Alcohol and/or substance (other than tobacco) abuse structured assessment (e.g., audit, dast), and intervention, greater than 30 minutes |
G0398 | Home sleep study test (hst) with type ii portable monitor, unattended; minimum of 7 channels: eeg, eog, emg, ecg/heart rate, airflow, respiratory effort and oxygen saturation |
G0399 | Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation |
G0400 | Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels |
G0402 | Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment |
G0403 | Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report |
G0404 | Electrocardiogram, routine ecg with 12 leads; tracing only, without interpretation and report, performed as a screening for the initial preventive physical examination |
G0405 | Electrocardiogram, routine ecg with 12 leads; interpretation and report only, performed as a screening for the initial preventive physical examination |
G0406 | Follow-up inpatient consultation, limited, physicians typically spend 15 minutes communicating with the patient via telehealth |
G0407 | Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth |
G0408 | Follow-up inpatient consultation, complex, physicians typically spend 35 minutes communicating with the patient via telehealth |
G0409 | Social work and psychological services, directly relating to and/or furthering the patient's rehabilitation goals, each 15 minutes, face-to-face; individual (services provided by a corf-qualified social worker or psychologist in a corf) |
G0410 | Group psychotherapy other than of a multiple-family group, in a partial hospitalization setting, approximately 45 to 50 minutes |
G0411 | Interactive group psychotherapy, in a partial hospitalization setting, approximately 45 to 50 minutes |
G0412 | Open treatment of iliac spine(s), tuberosity avulsion, or iliac wing fracture(s), unilateral or bilateral for pelvic bone fracture patterns which do not disrupt the pelvic ring includes internal fixation, when performed |
G0413 | Percutaneous skeletal fixation of posterior pelvic bone fracture and/or dislocation, for fracture patterns which disrupt the pelvic ring, unilateral or bilateral, (includes ilium, sacroiliac joint and/or sacrum) |
G0414 | Open treatment of anterior pelvic bone fracture and/or dislocation for fracture patterns which disrupt the pelvic ring, unilateral or bilateral, includes internal fixation when performed (includes pubic symphysis and/or superior/inferior rami) |
G0415 | Open treatment of posterior pelvic bone fracture and/or dislocation, for fracture patterns which disrupt the pelvic ring, unilateral or bilateral, includes internal fixation, when performed (includes ilium, sacroiliac joint and/or sacrum) |
G0416 | Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method |
G0417 |