HCPCS G-Codes
Procedures/Professional Services (Temporary Codes)

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.

• 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

• 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 77065 or 77066)

• 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

• ---

  ---

  Continued

• 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)

• G0308

  Creation of subcutaneous pocket with insertion of 180 day implantable interstitial glucose sensor, including system activation and patient training

• 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

• 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)

• 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)

• 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)

• 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)

• ---

  ---

  Continued

• 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)

• 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)

• 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)

• 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)

• 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)

• G0320

  Home health services furnished using synchronous telemedicine rendered via a real-time two-way audio and video telecommunications system

• G0321

  Home health services furnished using synchronous telemedicine rendered via telephone or other real-time interactive audio-only telecommunications system

• G0322

  The collection of physiologic data digitally stored and/or transmitted by the patient to the home health agency (i.e., remote patient monitoring)

• 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)

• G0327

  Colorectal cancer screening; blood-based biomarker

• 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

• 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

• 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