G-code: Procedures and professional services (temporary) Procedures and professional services (temporary)
2,011 codes
Billing context
G-codes are temporary codes for professional services and procedures that would otherwise be coded in CPT.
| Code | Long descriptor | Payment limit (Q4 2026) | Added | Status |
|---|---|---|---|---|
| G0364 | Bone marrow aspiration performed with bone marrow biopsy through the same incision on the same date of service | — | Jan 1, 2005 | Ended Dec 31, 2017 |
| 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) | — | Jan 1, 2005 | Ended Dec 31, 2019 |
| G0372 | Physician service required to establish and document the need for a power mobility device | — | Oct 25, 2005 | Active |
| G0378 | Hospital observation service, per hour | — | Jan 1, 2006 | Active |
| G0379 | Direct admission of patient for hospital observation care | — | Jan 1, 2006 | Active |
| 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) | — | Jan 1, 2007 | Active |
| 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) | — | Jan 1, 2007 | Active |
| 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) | — | Jan 1, 2007 | Active |
| 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) | — | Jan 1, 2007 | Active |
| 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) | — | Jan 1, 2007 | Active |
| G0389 | Ultrasound b-scan and/or real time with image documentation; for abdominal aortic aneurysm (aaa) screening | — | Jan 1, 2007 | Ended Dec 31, 2016 |
| G0390 | Trauma response team associated with hospital critical care service | — | Jan 1, 2007 | Active |
| G0396 | Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and brief intervention 15 to 30 minutes | — | Jan 1, 2008 | Active |
| G0397 | Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and intervention, greater than 30 minutes | — | Jan 1, 2008 | Active |
| 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 | — | Mar 13, 2008 | Active |
| 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 | — | Mar 13, 2008 | Active |
| G0400 | Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels | — | Mar 13, 2008 | Active |
| G0402 | Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | — | Jan 1, 2009 | Active |
| G0403 | Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report | — | Jan 1, 2009 | Active |
| G0404 | Electrocardiogram, routine ecg with 12 leads; tracing only, without interpretation and report, performed as a screening for the initial preventive physical examination | — | Jan 1, 2009 | Active |
| G0405 | Electrocardiogram, routine ecg with 12 leads; interpretation and report only, performed as a screening for the initial preventive physical examination | — | Jan 1, 2009 | Active |
| G0406 | Follow-up inpatient consultation, limited, physicians typically spend 15 minutes communicating with the patient via telehealth | — | Jan 1, 2009 | Active |
| G0407 | Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth | — | Jan 1, 2009 | Active |
| G0408 | Follow-up inpatient consultation, complex, physicians typically spend 35 minutes communicating with the patient via telehealth | — | Jan 1, 2009 | Active |
| 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) | — | Jan 1, 2009 | Active |
| G0410 | Group psychotherapy other than of a multiple-family group, in a partial hospitalization or intensive outpatient setting, approximately 45 to 50 minutes | — | Jan 1, 2009 | Active |
| G0411 | Interactive group psychotherapy, in a partial hospitalization or intensive outpatient setting, approximately 45 to 50 minutes | — | Jan 1, 2009 | Active |
| 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 | — | Jan 1, 2009 | Active |
| 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) | — | Jan 1, 2009 | Active |
| 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) | — | Jan 1, 2009 | Active |
| 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) | — | Jan 1, 2009 | Active |
| G0416 | Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method | — | Jan 1, 2009 | Active |
| G0417 | Surgical pathology, gross and microscopic examination, for prostate needle biopsy, any method, 21-40 specimens | — | Jan 1, 2009 | Ended Dec 31, 2014 |
| G0418 | Surgical pathology, gross and microscopic examination, for prostate needle biopsy, any method, 41-60 specimens | — | Jan 1, 2009 | Ended Dec 31, 2014 |
| G0419 | Surgical pathology, gross and microscopic examination, for prostate needle biopsy, any method, >60 specimens | — | Jan 1, 2009 | Ended Dec 31, 2014 |
| G0420 | Face-to-face educational services related to the care of chronic kidney disease; individual, per session, per one hour | — | Jan 1, 2010 | Active |
| G0421 | Face-to-face educational services related to the care of chronic kidney disease; group, per session, per one hour | — | Jan 1, 2010 | Active |
| G0422 | Intensive cardiac rehabilitation; with or without continuous ecg monitoring with exercise, per session | — | Jan 1, 2010 | Active |
| G0423 | Intensive cardiac rehabilitation; with or without continuous ecg monitoring; without exercise, per session | — | Jan 1, 2010 | Active |
| G0424 | Pulmonary rehabilitation, including exercise (includes monitoring), one hour, per session, up to two sessions per day | — | Jan 1, 2010 | Ended Dec 31, 2021 |
| G0425 | Telehealth consultation, emergency department or initial inpatient, typically 30 minutes communicating with the patient via telehealth | — | Jan 1, 2010 | Active |
| G0426 | Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth | — | Jan 1, 2010 | Active |
| G0427 | Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth | — | Jan 1, 2010 | Active |
| G0428 | Collagen meniscus implant procedure for filling meniscal defects (e.g., cmi, collagen scaffold, menaflex) | — | May 25, 2010 | Active |
| G0429 | Dermal filler injection(s) for the treatment of facial lipodystrophy syndrome (lds) (e.g., as a result of highly active antiretroviral therapy) | — | Mar 23, 2010 | Active |
| G0431 | Drug screen, qualitative; multiple drug classes by high complexity test method (e.g., immunoassay, enzyme assay), per patient encounter | — | Jan 1, 2010 | Ended Dec 31, 2015 |
| G0432 | Infectious agent antibody detection by enzyme immunoassay (eia) technique, hiv-1 and/or hiv-2, screening | — | Dec 8, 2009 | Active |
| G0433 | Infectious agent antibody detection by enzyme-linked immunosorbent assay (elisa) technique, hiv-1 and/or hiv-2, screening | — | Dec 8, 2009 | Active |
| G0434 | Drug screen, other than chromatographic; any number of drug classes, by clia waived test or moderate complexity test, per patient encounter | — | Jan 1, 2011 | Ended Dec 31, 2015 |
| G0435 | Infectious agent antibody detection by rapid antibody test, hiv-1 and/or hiv-2, screening | — | Dec 8, 2009 | Active |
| G0436 | Smoking and tobacco cessation counseling visit for the asymptomatic patient; intermediate, greater than 3 minutes, up to 10 minutes | — | Jan 1, 2011 | Ended Sep 30, 2016 |
| G0437 | Smoking and tobacco cessation counseling visit for the asymptomatic patient; intensive, greater than 10 minutes | — | Jan 1, 2011 | Ended Sep 30, 2016 |
| G0438 | Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | — | Jan 1, 2011 | Active |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | — | Jan 1, 2011 | Active |
| G0442 | Annual alcohol misuse screening, 5 to 15 minutes | — | Oct 14, 2011 | Active |
| G0443 | Brief face-to-face behavioral counseling for alcohol misuse, 15 minutes | — | Oct 14, 2011 | Active |
| G0444 | Annual depression screening, 5 to 15 minutes | — | Oct 14, 2011 | Active |
| G0445 | High intensity behavioral counseling to prevent sexually transmitted infection; face-to-face, individual, includes: education, skills training and guidance on how to change sexual behavior; performed semi-annually, 30 minutes | — | Nov 8, 2011 | Active |
| G0446 | Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes | — | Nov 8, 2011 | Active |
| G0447 | Face-to-face behavioral counseling for obesity, 15 minutes | — | Nov 29, 2011 | Active |
| G0448 | Insertion or replacement of a permanent pacing cardioverter-defibrillator system with transvenous lead(s), single or dual chamber with insertion of pacing electrode, cardiac venous system, for left ventricular pacing | — | Jan 1, 2012 | Active |
| G0451 | Development testing, with interpretation and report, per standardized instrument form | — | Jan 1, 2012 | Active |
| G0452 | Molecular pathology procedure; physician interpretation and report | — | Jan 1, 2013 | Active |
| G0453 | Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | — | Jan 1, 2013 | Active |
| G0454 | Physician documentation of face-to-face visit for durable medical equipment determination performed by nurse practitioner, physician assistant or clinical nurse specialist | — | Jan 1, 2013 | Active |
| G0455 | Preparation with instillation of fecal microbiota by any method, including assessment of donor specimen | — | Jan 1, 2013 | Active |
| G0456 | Negative pressure wound therapy, (e.g. vacuum assisted drainage collection) using a mechanically-powered device, not durable medical equipment, including provision of cartridge and dressing(s), topical application(s), wound assessment, and instructions for ongoing care, per session; total wounds(s) surface area less than or equal to 50 square centimeters | — | Jan 1, 2013 | Ended Dec 31, 2014 |
| G0457 | Negative pressure wound therapy, (e.g. vacuum assisted drainage collection) using a mechanically-powered device, not durable medical equipment, including provision of cartridge and dressing(s), topical application(s), wound assessment, and instructions for ongoing care, per session; total wounds(s) surface area greater than 50 square centimeters | — | Jan 1, 2013 | Ended Dec 31, 2014 |
| G0458 | Low dose rate (ldr) prostate brachytherapy services, composite rate | — | Jan 1, 2013 | Active |
| G0459 | Inpatient telehealth pharmacologic management, including prescription, use, and review of medication with no more than minimal medical psychotherapy | — | Aug 2, 2012 | Active |
| G0460 | Autologous platelet rich plasma or other blood-derived product for non-diabetic chronic wounds/ulcers, including as applicable phlebotomy, centrifugation or mixing, and all other preparatory procedures, administration and dressings, per treatment | — | Aug 2, 2012 | Active |
| G0461 | Immunohistochemistry or immunocytochemistry, per specimen; first single or multiplex antibody stain | — | Jan 1, 2014 | Ended Dec 31, 2014 |
| G0462 | Immunohistochemistry or immunocytochemistry, per specimen; each additional single or multiplex antibody stain (list separately in addition to code for primary procedure) | — | Jan 1, 2014 | Ended Dec 31, 2014 |
| G0463 | Hospital outpatient clinic visit for assessment and management of a patient | — | Jan 1, 2014 | Active |
| G0464 | Colorectal cancer screening; stool-based dna and fecal occult hemoglobin (e.g., kras, ndrg4 and bmp3) | — | Oct 9, 2014 | Ended Dec 31, 2015 |
| G0465 | Autologous platelet rich plasma (prp) or other blood-derived product for diabetic chronic wounds/ulcers, using an fda-cleared device for this indication, (includes as applicable administration, dressings, phlebotomy, centrifugation or mixing, and all other preparatory procedures, per treatment) | — | Apr 13, 2021 | Active |
| G0466 | Federally qualified health center (fqhc) visit, new patient; a medically-necessary, face-to-face encounter (one-on-one) between a new patient and a fqhc practitioner during which time one or more fqhc services are rendered and includes a typical bundle of medicare-covered services that would be furnished per diem to a patient receiving a fqhc visit | — | Oct 1, 2014 | Active |
| G0467 | Federally qualified health center (fqhc) visit, established patient; a medically-necessary, face-to-face encounter (one-on-one) between an established patient and a fqhc practitioner during which time one or more fqhc services are rendered and includes a typical bundle of medicare-covered services that would be furnished per diem to a patient receiving a fqhc visit | — | Oct 1, 2014 | Active |
| G0468 | Federally qualified health center (fqhc) visit, ippe or awv; a fqhc visit that includes an initial preventive physical examination (ippe) or annual wellness visit (awv) and includes a typical bundle of medicare-covered services that would be furnished per diem to a patient receiving an ippe or awv | — | Oct 1, 2014 | Active |
| G0469 | Federally qualified health center (fqhc) visit, mental health, new patient; a medically-necessary, face-to-face mental health encounter (one-on-one) between a new patient and a fqhc practitioner during which time one or more fqhc services are rendered and includes a typical bundle of medicare-covered services that would be furnished per diem to a patient receiving a mental health visit | — | Oct 1, 2014 | Active |
| G0470 | Federally qualified health center (fqhc) visit, mental health, established patient; a medically-necessary, face-to-face mental health encounter (one-on-one) between an established patient and a fqhc practitioner during which time one or more fqhc services are rendered and includes a typical bundle of medicare-covered services that would be furnished per diem to a patient receiving a mental health visit | — | Oct 1, 2014 | Active |
| G0471 | Collection of venous blood by venipuncture or urine sample by catheterization from an individual in a skilled nursing facility (snf) or by a laboratory on behalf of a home health agency (hha) | — | Apr 1, 2014 | Active |
| G0472 | Hepatitis c antibody screening, for individual at high risk and other covered indication(s) | — | Jun 2, 2014 | Active |
| G0473 | Face-to-face behavioral counseling for obesity, group (2-10), 30 minutes | — | Jan 1, 2015 | Active |
| G0475 | Hiv antigen/antibody, combination assay, screening | — | Apr 13, 2015 | Active |
| G0476 | Infectious agent detection by nucleic acid (dna or rna); human papillomavirus (hpv), high-risk types (e.g., 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 68) for cervical cancer screening, must be performed in addition to pap test | — | Jul 9, 2015 | Active |
| G0477 | Drug test(s), presumptive, any number of drug classes; any number of devices or procedures, (e.g., immunoassay) capable of being read by direct optical observation only (e.g., dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service | — | Jan 1, 2016 | Ended Dec 31, 2016 |
| G0478 | Drug test(s), presumptive, any number of drug classes; any number of devices or procedures, (e.g., immunoassay) read by instrument-assisted direct optical observation (e.g., dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service | — | Jan 1, 2016 | Ended Dec 31, 2016 |
| G0479 | Drug test(s), presumptive, any number of drug classes; any number of devices or procedures by instrumented chemistry analyzers utilizing immunoassay, enzyme assay, tof, maldi, ldtd, desi, dart, ghpc, gc mass spectrometry), includes sample validation when performed, per date of service | — | Jan 1, 2016 | Ended Dec 31, 2016 |
| G0480 | Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 1-7 drug class(es), including metabolite(s) if performed | — | Jan 1, 2016 | Active |
| G0481 | Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 8-14 drug class(es), including metabolite(s) if performed | — | Jan 1, 2016 | Active |
| G0482 | Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 15-21 drug class(es), including metabolite(s) if performed | — | Jan 1, 2016 | Active |
| G0483 | Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 22 or more drug class(es), including metabolite(s) if performed | — | Jan 1, 2016 | Active |
| G0490 | Face-to-face home health nursing visit by a rural health clinic (rhc) or federally qualified health center (fqhc) in an area with a shortage of home health agencies; (services limited to rn or lpn only) | — | Apr 1, 2016 | Active |
| G0491 | Dialysis procedure at a medicare certified esrd facility for acute kidney injury without esrd | — | Jan 1, 2017 | Active |
| G0492 | Dialysis procedure with single evaluation by a physician or other qualified health care professional for acute kidney injury without esrd | — | Jan 1, 2017 | Active |
| G0493 | Skilled services of a registered nurse (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) | — | Jan 1, 2017 | Active |
| G0494 | Skilled services of a licensed practical nurse (lpn) 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) | — | Jan 1, 2017 | Active |
| G0495 | Skilled services of a registered nurse (rn), in the training and/or education of a patient or family member, in the home health or hospice setting, each 15 minutes | — | Jan 1, 2017 | Active |
| G0496 | Skilled services of a licensed practical nurse (lpn), in the training and/or education of a patient or family member, in the home health or hospice setting, each 15 minutes | — | Jan 1, 2017 | Active |