HCPCS Level II · Procedures and professional services (temporary)
G9794Documentation of medical reason(s) for not on a daily aspirin or other antiplatelet (e.g., history of gastrointestinal bleed, intra-cranial bleed, idiopathic thrombocytopenic purpura (itp), gastric bypass or documentation of active anticoagulant use during the measurement period)
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G9794
G9794 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing documentation of medical reason(s) for not on a daily aspirin or other antiplatelet (e.g., history of gastrointestinal bleed, intra-cranial bleed, idiopathic thrombocytopenic purpura (itp), gastric bypass or documentation of active anticoagulant use during the measurement period).
It was added to HCPCS effective 01/01/2017, and its current record took effect 01/01/2018.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Doc med rsn no daily aspirin
- Date added
- 01/01/2017
- Action effective
- 01/01/2018
- BETOS
- Z2
Related G97xx codes
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- G9702Patients who use hospice services any time during the measurement period
- G9703Episodes where the patient is taking antibiotics (table 1) in the 30 days prior to the episode date
- G9704Ajcc breast cancer stage i: t1 mic or t1a documented
- G9705Ajcc breast cancer stage i: t1b (tumor > 0.5 cm but <= 1 cm in greatest dimension) documented
- G9706Low (or very low) risk of recurrence, prostate cancer
- G9708Women who had a bilateral mastectomy or who have a history of a bilateral mastectomy or for whom there is evidence of a right and a left unilateral mastectomy
- G9709Hospice services used by patient any time during the measurement period
- G9710Patient was provided hospice services any time during the measurement period
- G9711Patients with a diagnosis or past history of total colectomy or colorectal cancer
- G9712Documentation of medical reason(s) for prescribing or dispensing antibiotic (e.g., intestinal infection, pertussis, bacterial infection, lyme disease, otitis media, acute sinusitis, acute pharyngitis, acute tonsillitis, chronic sinusitis, infection of the pharynx/larynx/tonsils/adenoids, prostatitis, cellulitis/ mastoiditis/bone infections, acute lymphadenitis, impetigo, skin staph infections, pneumonia, gonococcal infections/venereal disease (syphilis, chlamydia, inflammatory diseases [female reproductive organs]), infections of the kidney, cystitis/uti, acne, hiv disease/asymptomatic hiv, cystic fibrosis, disorders of the immune system, malignancy neoplasms, chronic bronchitis, emphysema, bronchiectasis, extrinsic allergic alveolitis, chronic airway obstruction, chronic obstructive asthma, pneumoconiosis and other lung disease due to external agents, other diseases of the respiratory system, and tuberculosis
- G9713Patients who use hospice services any time during the measurement period
Common questions about G9794
Is HCPCS G9794 still valid?
- Yes. G9794 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G9794?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.