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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• G8778

  Documentation of medical reason(s) for not performing diabetes screening test (e.g., patients with a diagnosis of diabetes, or with palliative goals or for whom treatment of hypertension with standard treatment goals is not clinically appropriate)

• G8779

  Diabetes screening test not performed, reason not given

• G8780

  Counseling for diet and physical activity performed

• G8781

  Documentation of medical reason(s) for patient not receiving counseling for diet and physical activity (e.g., patients with palliative goals or for whom treatment of hypertension with standard treatment goals is not clinically appropriate)

• G8782

  Counseling for diet and physical activity not performed, reason not given

• G8783

  Normal blood pressure reading documented, follow-up not required

• G8784

  Patient not eligible (e.g., documentation the patient is not eligible due to active diagnosis of hypertension, patient refuses, urgent or emergent situation)

• G8785

  Blood pressure reading not documented, reason not given

• G8797

  Specimen site other than anatomic location of esophagus

• G8798

  Specimen site other than anatomic location of prostate

• G8806

  Performance of trans-abdominal or trans-vaginal ultrasound and pregnancy location documented

• G8807

  Trans-abdominal or trans-vaginal ultrasound not performed for reasons documented by clinician (e.g., patient has a documented intrauterine pregnancy [iup])

• G8808

  Trans-abdominal or trans-vaginal ultrasound not performed, reason not given

• G8809

  Rh-immunoglobulin (rhogam) ordered

• G8810

  Rh-immunoglobulin (rhogam) not ordered for reasons documented by clinician (e.g., patient had prior documented receipt of rhogam within 12 weeks, patient refusal)

• G8811

  Documentation rh-immunoglobulin (rhogam) was not ordered, reason not given

• G8815

  Documented reason in the medical records for why the statin therapy was not prescribed (i.e., lower extremity bypass was for a patient with non-artherosclerotic disease)

• G8816

  Statin medication prescribed at discharge

• G8817

  Statin therapy not prescribed at discharge, reason not given

• G8818

  Patient discharge to home no later than post-operative day #7

• G8825

  Patient not discharged to home by post-operative day #7

• G8826

  Patient discharged to home no later than post-operative day #2 following evar

• G8833

  Patient not discharged to home by post-operative day #2 following evar

• G8834

  Patient discharged to home no later than post-operative day #2 following cea

• G8838

  Patient not discharged to home by post-operative day #2 following cea

• G8839

  Sleep apnea symptoms assessed, including presence or absence of snoring and daytime sleepiness

• G8840

  Documentation of reason(s) for not documenting an assessment of sleep symptoms (e.g., patient didn't have initial daytime sleepiness, patient visited between initial testing and initiation of therapy)

• G8841

  Sleep apnea symptoms not assessed, reason not given

• G8842

  Apnea hypopnea index (ahi), respiratory disturbance index (rdi) or respiratory event index (rei) documented or measured within 2 months after initial evaluation for suspected obstructive sleep apnea

• G8843

  Documentation of reason(s) for not measuring an apnea hypopnea index (ahi), a respiratory disturbance index (rdi), or a respiratory event index (rei) within 2 months after initial evaluation for suspected obstructive sleep apnea (e.g., medical, neurological, or psychiatric disease that prohibits successful completion of a sleep study, patients for whom a sleep study would present a bigger risk than benefit or would pose an undue burden, dementia, patients previously diagnosed with osa and severity assessed by another provider, patients who decline ahi/rdi/rei measurement, patients who had a financial reason for not completing testing, test was ordered but not completed, patients decline because their insurance (payer) does not cover the expense)

• G8844

  Apnea hypopnea index (ahi), respiratory disturbance index (rdi), or respiratory event index (rei) not documented or measured within 2 months after initial evaluation for suspected obstructive sleep apnea, reason not given

• G8845

  Positive airway pressure therapy prescribed

• G8846

  Moderate or severe obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of 15 or greater)

• G8848

  Mild obstructive sleep apnea (apnea hypopnea index (ahi) or respiratory disturbance index (rdi) of less than 15)

• G8849

  Documentation of reason(s) for not prescribing positive airway pressure therapy (e.g., patient unable to tolerate, alternative therapies use, patient declined, financial, insurance coverage)

• G8850

  Positive airway pressure therapy not prescribed, reason not given

• G8851

  Adherence to therapy was assessed at least annually through an objective informatics system or through self-reporting (if objective reporting is not available, documented)

• G8852

  Positive airway pressure therapy was prescribed

• G8853

  Positive airway pressure therapy not prescribed

• G8854

  Documentation of reason(s) for not objectively reporting adherence to evidence-based therapy (e.g., patients who have been diagnosed with a terminal or advanced disease with an expected life span of less than 6 months, patients who decline therapy, patients who do not return for follow-up at least annually, patients unable to access/afford therapy, patient's insurance will not cover therapy)

• G8855

  Adherence to therapy was not assessed at least annually through an objective informatics system or through self-reporting (if objective reporting is not available), reason not given

• G8856

  Referral to a physician for an otologic evaluation performed

• G8857

  Patient is not eligible for the referral for otologic evaluation measure (e.g., patients who are already under the care of a physician for acute or chronic dizziness)

• G8858

  Referral to a physician for an otologic evaluation not performed, reason not given

• G8859

  Patient receiving corticosteroids greater than or equal to 10mg/day for 60 or greater consecutive days

• G8860

  Patients who have received dose of corticosteroids greater than or equal to 10mg/day for 60 or greater consecutive days

• G8861

  Within the past 2 years, central dual-energy x-ray absorptiometry (dxa) ordered and documented, review of systems and medication history or pharmacologic therapy (other than minerals/vitamins) for osteoporosis prescribed

• G8862

  Patients not receiving corticosteroids greater than or equal to 10mg/day for 60 or greater consecutive days

• G8863

  Patients not assessed for risk of bone loss, reason not given

• G8864

  Pneumococcal vaccine administered or previously received

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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 7/25/2026

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