G9794 – 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)

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Carrier judgment

HCPCS codeG9794
Long description
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)
Short description
Doc med rsn no daily aspirin
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
Z2 Undefined codes
Added
January 1, 2017
Last change
January 1, 2018 – No change

Frequently asked questions

What is HCPCS code G9794?

G9794 is a HCPCS Level II code for 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).

Does Medicare cover G9794?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.