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 |
|---|---|---|---|---|
| G0147 | Screening cytopathology smears, cervical or vaginal, performed by automated system under physician supervision | — | Jan 1, 1999 | Active |
| G0148 | Screening cytopathology smears, cervical or vaginal, performed by automated system with manual rescreening | — | Jan 1, 1999 | Active |
| G0151 | Services performed by a qualified physical therapist in the home health or hospice setting, each 15 minutes | — | Jul 1, 1999 | Active |
| G0152 | Services performed by a qualified occupational therapist in the home health or hospice setting, each 15 minutes | — | Jul 1, 1999 | Active |
| G0153 | Services performed by a qualified speech-language pathologist in the home health or hospice setting, each 15 minutes | — | Jul 1, 1999 | Active |
| G0154 | Direct skilled nursing services of a licensed nurse (lpn or rn) in the home health or hospice setting, each 15 minutes | — | Jul 1, 1999 | Ended Feb 29, 2016 |
| G0155 | Services of clinical social worker in home health or hospice settings, each 15 minutes | — | Jul 1, 1999 | Active |
| G0156 | Services of home health/hospice aide in home health or hospice settings, each 15 minutes | — | Jul 1, 1999 | Active |
| G0157 | Services performed by a qualified physical therapist assistant in the home health or hospice setting, each 15 minutes | — | Jan 1, 2011 | Active |
| G0158 | Services performed by a qualified occupational therapist assistant in the home health or hospice setting, each 15 minutes | — | Jan 1, 2011 | Active |
| 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 | — | Jan 1, 2011 | Active |
| 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 | — | Jan 1, 2011 | Active |
| 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 | — | Jan 1, 2011 | Active |
| 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) | — | Jan 1, 2011 | Active |
| 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) | — | Jan 1, 2011 | Ended Dec 31, 2016 |
| 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 | — | Jan 1, 2011 | Ended Dec 31, 2016 |
| G0166 | External counterpulsation, per treatment session | — | Jan 1, 2000 | Active |
| G0168 | Wound closure utilizing tissue adhesive(s) only | — | Jan 1, 2000 | Active |
| G0173 | Linear accelerator based stereotactic radiosurgery, complete course of therapy in one session | — | Aug 1, 2000 | Ended Dec 31, 2014 |
| G0175 | Scheduled interdisciplinary team conference (minimum of three exclusive of patient care nursing staff) with patient present | — | Jul 1, 2000 | Active |
| 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) | — | Jan 1, 2001 | Active |
| G0177 | Training and educational services related to the care and treatment of patient's disabling mental health problems per session (45 minutes or more) | — | Jan 1, 2001 | Active |
| G0179 | Physician or allowed practitioner 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 and allowed practitioners to affirm the initial implementation of the plan of care | — | Jan 1, 2001 | Active |
| G0180 | Physician or allowed practitioner 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 and allowed practitioners to affirm the initial implementation of the plan of care | — | Oct 1, 2000 | Active |
| G0181 | Physician or allowed practitioner 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 or allowed practitioner development and/or revision of care plans | — | Jan 1, 2001 | Active |
| 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 | — | Jan 1, 2001 | Active |
| G0183 | Quantitative software measurements of cardiac volume, cardiac chambers volumes and left ventricular wall mass derived from ct scan(s) data of the chest/heart (with or without contrast) | — | Apr 1, 2025 | Active |
| G0186 | Destruction of localized lesion of choroid (for example, choroidal neovascularization); photocoagulation, feeder vessel technique (one or more sessions) | — | Jan 1, 2001 | Active |
| G0202 | Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (cad) when performed | — | Apr 1, 2001 | Ended Dec 31, 2017 |
| G0204 | Diagnostic mammography, including computer-aided detection (cad) when performed; bilateral | — | Apr 1, 2001 | Ended Dec 31, 2017 |
| G0206 | Diagnostic mammography, including computer-aided detection (cad) when performed; unilateral | — | Apr 1, 2001 | Ended Dec 31, 2017 |
| G0219 | Pet imaging whole body; melanoma for non-covered indications | — | Jul 1, 2001 | Active |
| G0235 | Pet imaging, any site, not otherwise specifiedNOC / NOS | — | Jan 1, 2006 | Active |
| G0237 | Therapeutic procedures to increase strength or endurance of respiratory muscles, face to face, one on one, each 15 minutes (includes monitoring) | — | Jan 1, 2002 | Active |
| G0238 | Therapeutic procedures to improve respiratory function, other than described by g0237, one on one, face to face, per 15 minutes (includes monitoring) | — | Jan 1, 2002 | Active |
| G0239 | Therapeutic procedures to improve respiratory function or increase strength or endurance of respiratory muscles, two or more individuals (includes monitoring) | — | Jan 1, 2002 | Active |
| 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 | — | Jul 1, 2002 | Active |
| 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 | — | Jul 1, 2002 | Active |
| 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 | — | Jul 1, 2002 | Active |
| 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 | — | Jul 1, 2002 | Active |
| 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 | — | Jul 1, 2002 | Active |
| 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 | — | Jul 1, 2002 | Active |
| 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 | — | Apr 1, 2002 | Ended Dec 31, 2014 |
| 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) | — | Oct 1, 2002 | Active |
| G0255 | Current perception threshold/sensory nerve conduction test, (snct) per limb, any nerve | — | Oct 1, 2002 | Active |
| G0257 | Unscheduled or emergency dialysis treatment for an esrd patient in a hospital outpatient department that is not certified as an esrd facility | — | Jan 1, 2003 | Active |
| G0259 | Injection procedure for sacroiliac joint; arthrography | — | Jan 1, 2003 | Active |
| G0260 | Injection procedure for sacroiliac joint; provision of anesthetic, steroid and/or other therapeutic agent, with or without arthrography | — | Jan 1, 2003 | Active |
| G0268 | Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing | — | Jan 1, 2003 | Active |
| G0269 | Placement of occlusive device into either a venous or arterial access site, post surgical or interventional procedure (e.g., angioseal plug, vascular plug) | — | Jan 1, 2003 | Active |
| 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 | — | Jan 1, 2003 | Active |
| 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 | — | Jan 1, 2003 | Active |
| 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 | — | Jan 1, 2015 | Active |
| G0277 | Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval | — | Jan 1, 2015 | Active |
| 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) | — | Jan 1, 2003 | Active |
| G0279 | Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | — | Jan 1, 2015 | Active |
| 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 | — | Apr 1, 2003 | Active |
| G0282 | Electrical stimulation, (unattended), to one or more areas, for wound care other than described in g0281 | — | Apr 1, 2003 | Active |
| G0283 | Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | — | Jan 1, 2003 | Active |
| G0288 | Reconstruction, computed tomographic angiography of aorta for surgical planning for vascular surgery | — | Jan 1, 2003 | Active |
| 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 | — | Jan 1, 2003 | Active |
| G0293 | Noncovered surgical procedure(s) using conscious sedation, regional, general or spinal anesthesia in a medicare qualifying clinical trial, per day | — | Jan 1, 2003 | Active |
| G0294 | Noncovered procedure(s) using either no anesthesia or local anesthesia only, in a medicare qualifying clinical trial, per day | — | Jan 1, 2003 | Active |
| G0295 | Electromagnetic therapy, to one or more areas, for wound care other than described in g0329 or for other uses | — | Apr 1, 2003 | Active |
| 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) | — | Feb 5, 2015 | Active |
| G0297 | Low dose ct scan (ldct) for lung cancer screening | — | Feb 5, 2015 | Ended Dec 31, 2020 |
| G0299 | Direct skilled nursing services of a registered nurse (rn) in the home health or hospice setting, each 15 minutes | — | Nov 2, 2015 | Active |
| G0300 | Direct skilled nursing services of a licensed practical nurse (lpn) in the home health or hospice setting, each 15 minutes | — | Nov 2, 2015 | Active |
| G0302 | Pre-operative pulmonary surgery services for preparation for lvrs, complete course of services, to include a minimum of 16 days of services | — | Jan 1, 2004 | Active |
| G0303 | Pre-operative pulmonary surgery services for preparation for lvrs, 10 to 15 days of services | — | Jan 1, 2004 | Active |
| G0304 | Pre-operative pulmonary surgery services for preparation for lvrs, 1 to 9 days of services | — | Jan 1, 2004 | Active |
| G0305 | Post-discharge pulmonary surgery services after lvrs, minimum of 6 days of services | — | Jan 1, 2004 | Active |
| G0306 | Complete cbc, automated (hgb, hct, rbc, wbc, without platelet count) and automated wbc differential count | — | Jan 1, 2004 | Active |
| G0307 | Complete (cbc), automated (hgb, hct, rbc, wbc; without platelet count) | — | Jan 1, 2004 | Active |
| G0308 | Creation of subcutaneous pocket with insertion of 180 day implantable interstitial glucose sensor, including system activation and patient training | — | Jul 1, 2022 | Ended Dec 31, 2022 |
| G0309 | Removal of implantable interstitial glucose sensor with creation of subcutaneous pocket at different anatomic site and insertion of new 180 day implantable sensor, including system activation | — | Jul 1, 2022 | Ended Dec 31, 2022 |
| G0310 | Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service, 5 to 15 mins time (this code is used for medicaid billing purposes) | — | May 11, 2022 | Active |
| G0311 | Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service, 16-30 mins time (this code is used for medicaid billing purposes) | — | May 11, 2022 | Active |
| G0312 | Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service for ages under 21, 5 to 15 mins time (this code is used for medicaid billing purposes) | — | May 11, 2022 | Active |
| G0313 | Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service for ages under 21, 16-30 mins time (this code is used for medicaid billing purposes) | — | May 11, 2022 | Active |
| G0314 | Immunization counseling by a physician or other qualified health care professional for covid-19, ages under 21, 16-30 mins time (this code is used for the medicaid early and periodic screening, diagnostic, and treatment benefit (epsdt) | — | May 11, 2022 | Active |
| G0315 | Immunization counseling by a physician or other qualified health care professional for covid-19, ages under 21, 5-15 mins time (this code is used for the medicaid early and periodic screening, diagnostic, and treatment benefit (epsdt) | — | May 11, 2022 | Active |
| G0316 | Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualified healthcare professional, with or without direct patient contact (list separately in addition to cpt codes 99223, 99233, and 99236 for hospital inpatient or observation care evaluation and management services). (do not report g0316 on the same date of service as other prolonged services for evaluation and management 99358, 99359, 99418, 99415, 99416). (do not report g0316 for any time unit less than 15 minutes) | — | Jan 1, 2023 | Active |
| G0317 | Prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualified healthcare professional, with or without direct patient contact (list separately in addition to cpt codes 99306, 99310 for nursing facility evaluation and management services). (do not report g0317 on the same date of service as other prolonged services for evaluation and management 99358, 99359, 99418). (do not report g0317 for any time unit less than 15 minutes) | — | Jan 1, 2023 | Active |
| G0318 | Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualified healthcare professional, with or without direct patient contact (list separately in addition to cpt codes 99345, 99350 for home or residence evaluation and management services). (do not report g0318 on the same date of service as other prolonged services for evaluation and management 99358, 99359, 99417). (do not report g0318 for any time unit less than 15 minutes) | — | Jan 1, 2023 | Active |
| G0320 | Home health services furnished using synchronous telemedicine rendered via a real-time two-way audio and video telecommunications system | — | Jan 1, 2023 | Active |
| G0321 | Home health services furnished using synchronous telemedicine rendered via telephone or other real-time interactive audio-only telecommunications system | — | Jan 1, 2023 | Active |
| G0322 | The collection of physiologic data digitally stored and/or transmitted by the patient to the home health agency (i.e., remote patient monitoring) | — | Jan 1, 2023 | Active |
| G0323 | Care management services for behavioral health conditions, at least 20 minutes of clinical psychologist, clinical social worker, mental health counselor, or marriage and family therapist time, per calendar month. (these services include the following required elements: initial assessment or follow-up monitoring, including the use of applicable validated rating scales; behavioral health care planning in relation to behavioral/psychiatric health problems, including revision for patients who are not progressing or whose status changes; facilitating and coordinating treatment such as psychotherapy, coordination with and/or referral to physicians and practitioners who are authorized by medicare to prescribe medications and furnish e/m services, counseling and/or psychiatric consultation; and continuity of care with a designated member of the care team) | — | Jan 1, 2023 | Active |
| G0327 | Colorectal cancer screening; blood-based biomarker | — | Jul 1, 2021 | Active |
| G0328 | Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | — | Jan 1, 2004 | Active |
| 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 | — | Jul 1, 2004 | Active |
| G0330 | Facility services for dental rehabilitation procedure(s) performed on a patient who requires monitored anesthesia (e.g., general, intravenous sedation (monitored anesthesia care) and use of an operating room | — | Jan 1, 2023 | Active |
| G0333 | Pharmacy dispensing fee for inhalation drug(s); initial 30-day supply as a beneficiary | — | Jan 1, 2006 | Active |
| G0337 | Hospice evaluation and counseling services, pre-election | — | Jan 1, 2005 | Active |
| G0339 | Image-guided robotic linear accelerator-based stereotactic radiosurgery, complete course of therapy in one session or first session of fractionated treatment | — | Jan 1, 2004 | Active |
| 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 | — | Jan 1, 2004 | Active |
| G0341 | Percutaneous islet cell transplant, includes portal vein catheterization and infusion | — | Oct 1, 2004 | Active |
| G0342 | Laparoscopy for islet cell transplant, includes portal vein catheterization and infusion | — | Oct 1, 2004 | Active |
| G0343 | Laparotomy for islet cell transplant, includes portal vein catheterization and infusion | — | Oct 1, 2004 | Active |