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.


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  • G8878

    Sentinel lymph node biopsy procedure performed
  • G8879

    Clinically node negative (t1n0m0 or t2n0m0) invasive breast cancer
  • G8880

    Documentation of reason(s) sentinel lymph node biopsy not performed (e.g., reasons could include but not limited to; non-invasive cancer, incidental discovery of breast cancer on prophylactic mastectomy, incidental discovery of breast cancer on reduction mammoplasty, pre-operative biopsy proven lymph node (ln) metastases, inflammatory carcinoma, stage 3 locally advanced cancer, recurrent invasive breast cancer, clinically node positive after neoadjuvant systemic therapy, patient refusal after informed consent, patient with significant age, comorbidities, or limited life expectancy and favorable tumor; adjuvant systemic therapy unlikely to change)
  • G8881

    Stage of breast cancer is greater than t1n0m0 or t2n0m0
  • G8882

    Sentinel lymph node biopsy procedure not performed, reason not given
  • G8883

    Biopsy results reviewed, communicated, tracked and documented
  • G8884

    Clinician documented reason that patient's biopsy results were not reviewed
  • G8885

    Biopsy results not reviewed, communicated, tracked or documented
  • G8886

    Most recent blood pressure under control
  • G8887

    Documentation of medical reason(s) for most recent blood pressure not being under control (e.g., patients with palliative goals or for whom treatment of hypertension with standard treatment goals is not clinically appropriate)
  • G8888

    Most recent blood pressure not under control, results documented and reviewed
  • G8889

    No documentation of blood pressure measurement, reason not given
  • G8890

    Most recent ldl-c under control, results documented and reviewed
  • G8891

    Documentation of medical reason(s) for most recent ldl-c not under control (e.g., patients with palliative goals for whom treatment of hypertension with standard treatment goals is not clinically appropriate)
  • G8892

    Documentation of medical reason(s) for not performing ldl-c test (e.g. patients with palliative goals or for whom treatment of hypertension with standard treatment goals is not clinically appropriate)
  • G8893

    Most recent ldl-c not under control, results documented and reviewed
  • G8894

    Ldl-c not performed, reason not given
  • G8895

    Oral aspirin or other antithrombotic therapy prescribed
  • G8896

    Documentation of medical reason(s) for not prescribing oral aspirin or other antithrombotic therapy (e.g., patient documented to be low risk or patient with terminal illness or treatment of hypertension with standard treatment goals is not clinically appropriate, or for whom risk of aspirin or other antithrombotic therapy exceeds potential benefits such as for individuals whose blood pressure is poorly controlled)
  • G8897

    Oral aspirin or other antithrombotic therapy was not prescribed, reason not given
  • G8898

    I intend to report the chronic obstructive pulmonary disease (copd) measures group
  • G8899

    I intend to report the inflammatory bowel disease (ibd) measures group
  • G8900

    I intend to report the sleep apnea measures group
  • G8902

    I intend to report the dementia measures group
  • G8903

    I intend to report the parkinson's disease measures group
  • G8904

    I intend to report the hypertension (htn) measures group
  • G8905

    I intend to report the cardiovascular prevention measures group
  • G8906

    I intend to report the cataract measures group
  • G8907

    Patient documented not to have experienced any of the following events: a burn prior to discharge; a fall within the facility; wrong site/side/patient/procedure/implant event; or a hospital transfer or hospital admission upon discharge from the facility
  • G8908

    Patient documented to have received a burn prior to discharge
  • G8909

    Patient documented not to have received a burn prior to discharge
  • G8910

    Patient documented to have experienced a fall within asc
  • G8911

    Patient documented not to have experienced a fall within ambulatory surgical center
  • G8912

    Patient documented to have experienced a wrong site, wrong side, wrong patient, wrong procedure or wrong implant event
  • G8913

    Patient documented not to have experienced a wrong site, wrong side, wrong patient, wrong procedure or wrong implant event
  • G8914

    Patient documented to have experienced a hospital transfer or hospital admission upon discharge from asc
  • G8915

    Patient documented not to have experienced a hospital transfer or hospital admission upon discharge from asc
  • G8916

    Patient with preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis, antibiotic initiated on time
  • G8917

    Patient with preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis, antibiotic not initiated on time
  • G8918

    Patient without preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis
  • G8923

    Current or prior left ventricular ejection fraction (lvef) <= 40% or documentation of moderately or severely depressed left ventricular systolic function
  • G8924

    Spirometry results documented (fev1/fvc < 70%)
  • G8925

    Spirometry test results demonstrate fev1 >= 60% fev1/fvc >= 70%, predicted or patient does not have copd symptoms
  • G8926

    Spirometry test not performed or documented, reason not given
  • G8927

    Adjuvant chemotherapy referred, prescribed or previously received for ajcc stage iii, colon cancer
  • G8928

    Adjuvant chemotherapy not prescribed or previously received, for documented reasons (e.g., medical co-morbidities, diagnosis date more than 5 years prior to the current visit date, patient's diagnosis date is within 120 days of the end of the 12 month reporting period, patient's cancer has metastasized, medical contraindication/allergy, poor performance status, other medical reasons, patient refusal, other patient reasons, patient is currently enrolled in a clinical trial that precludes prescription of chemotherapy, other system reasons)
  • G8929

    Adjuvant chemotherapy not prescribed or previously received, reason not given
  • G8930

    Assessment of depression severity at the initial evaluation
  • G8931

    Assessment of depression severity not documented, reason not given
  • G8932

    Suicide risk assessed at the initial evaluation

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/4/2026

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