Temporary G codes are assigned to services and procedures that are under review before being included in the CPT coding system. Payment for these services is under the jurisdiction of the local carriers.


  • 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)


  • Continued
  • 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