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.

• 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)

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  Continued

• 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) misuse structured assessment (e.g., audit, dast), and brief intervention 15 to 30 minutes

• G0397

  Alcohol and/or substance (other than tobacco) misuse 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 or intensive outpatient setting, approximately 45 to 50 minutes

• G0411

  Interactive group psychotherapy, in a partial hospitalization or intensive outpatient 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)

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  Continued

• 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

  Surgical pathology, gross and microscopic examination, for prostate needle biopsy, any method, 21-40 specimens

• G0418

  Surgical pathology, gross and microscopic examination, for prostate needle biopsy, any method, 41-60 specimens

• G0419

  Surgical pathology, gross and microscopic examination, for prostate needle biopsy, any method, >60 specimens

• G0420

  Face-to-face educational services related to the care of chronic kidney disease; individual, per session, per one hour

• G0421

  Face-to-face educational services related to the care of chronic kidney disease; group, per session, per one hour

• G0422

  Intensive cardiac rehabilitation; with or without continuous ecg monitoring with exercise, per session

• G0423

  Intensive cardiac rehabilitation; with or without continuous ecg monitoring; without exercise, per session

• G0424

  Pulmonary rehabilitation, including exercise (includes monitoring), one hour, per session, up to two sessions per day

• G0425

  Telehealth consultation, emergency department or initial inpatient, typically 30 minutes communicating with the patient via telehealth

• G0426

  Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth

• G0427

  Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth

• G0428

  Collagen meniscus implant procedure for filling meniscal defects (e.g., cmi, collagen scaffold, menaflex)

• G0429

  Dermal filler injection(s) for the treatment of facial lipodystrophy syndrome (lds) (e.g., as a result of highly active antiretroviral therapy)

• G0431

  Drug screen, qualitative; multiple drug classes by high complexity test method (e.g., immunoassay, enzyme assay), per patient encounter

• G0432

  Infectious agent antibody detection by enzyme immunoassay (eia) technique, hiv-1 and/or hiv-2, screening

• G0433

  Infectious agent antibody detection by enzyme-linked immunosorbent assay (elisa) technique, hiv-1 and/or hiv-2, screening

• G0434

  Drug screen, other than chromatographic; any number of drug classes, by clia waived test or moderate complexity test, per patient encounter

• G0435

  Infectious agent antibody detection by rapid antibody test, hiv-1 and/or hiv-2, screening