G9439 – P2y inhibitor not prescribed for documented reasons (e.g., allergy, medical intolerance, history of bleed)
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG9439
- Long description
- P2y inhibitor not prescribed for documented reasons (e.g., allergy, medical intolerance, history of bleed)
- Short description
- P2y inhib not presc doc reas
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
Z2Undefined codes- Added
- January 1, 2015
- Last change
- January 1, 2017 – No change
- Termination date
- December 31, 2016
Frequently asked questions
What is HCPCS code G9439?
G9439 is a HCPCS Level II code for p2y inhibitor not prescribed for documented reasons (e.g., allergy, medical intolerance, history of bleed). It was discontinued on December 31, 2016.
Does Medicare cover G9439?
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
- G9431 – Pathology report does not include the pt category, thickness, ulceration and mitotic rate, peripheral and deep margin status and presence or absence of microsatellitosis for invasive tumors
- G9432 – Asthma well-controlled based on the act, c-act, acq, or ataq score and results documented
- G9433 – Death, permanent nursing home resident or receiving hospice or palliative care any time during the measurement period
- G9434 – Asthma not well-controlled based on the act, c-act, acq, or ataq score, or specified asthma control tool not used, reason not given
- G9435 – Aspirin prescribed at discharge
- G9436 – Aspirin not prescribed for documented reasons (e.g., allergy, medical intolerance, history of bleed)
- G9437 – Aspirin not prescribed at discharge
- G9438 – P2y inhibitor prescribed at discharge
- G9440 – P2y inhibitor not prescribed at discharge
- G9441 – Statin prescribed at discharge
- G9442 – Statin not prescribed for documented reasons (e.g., allergy, medical intolerance)
- G9443 – Statin not prescribed at discharge
- G9448 – Patients who were born in the years 1945 to 1965
- G9449 – History of receiving blood transfusions prior to 1992
- G9450 – History of injection drug use
- G9451 – Patient received one-time screening for hcv infection
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.