G8599 – Aspirin or another antiplatelet therapy not used, reason not given
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG8599
- Long description
- Aspirin or another antiplatelet therapy not used, reason not given
- Short description
- No asa/antiplat ther use rng
- 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
M5DSpecialist - other- Added
- January 1, 2010
- Last change
- January 1, 2017 – No change
Frequently asked questions
What is HCPCS code G8599?
G8599 is a HCPCS Level II code for aspirin or another antiplatelet therapy not used, reason not given.
Does Medicare cover G8599?
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
- G8585 – Anti-lipid treatment at discharge
- G8586 – Anti-lipid treatment contraindicated
- G8587 – No anti-lipid treatment at discharge
- G8593 – Lipid profile results documented and reviewed (must include total cholesterol, hdl-c, triglycerides and calculated ldl-c)
- G8594 – Lipid profile not performed, reason not given
- G8595 – Most recent ldl-c < 100 mg/dl
- G8597 – Most recent ldl-c >= 100 mg/dl
- G8598 – Aspirin or another antiplatelet therapy used
- G8600 – Iv thrombolytic therapy initiated within 4.5 hours (<= 270 minutes) of time last known well
- G8601 – Iv thrombolytic therapy not initiated within 4.5 hours (<= 270 minutes) of time last known well for reasons documented by clinician (e.g. patient enrolled in clinical trial for stroke, patient admitted for elective carotid intervention)
- G8602 – Iv thrombolytic therapy not initiated within 4.5 hours (<= 270 minutes) of time last known well, reason not given
- G8627 – Surgical procedure performed within 30 days following cataract surgery for major complications (e.g., retained nuclear fragments, endophthalmitis, dislocated or wrong power iol, retinal detachment, or wound dehiscence)
- G8628 – Surgical procedure not performed within 30 days following cataract surgery for major complications (e.g., retained nuclear fragments, endophthalmitis, dislocated or wrong power iol, retinal detachment, or wound dehiscence)
- G8629 – Documentation of order for prophylactic parenteral antibiotic to be given within one hour (if fluoroquinolone or vancomycin, two hours) prior to surgical incision (or start of procedure when no incision is required)
- G8630 – Documentation that administration of prophylactic parenteral antibiotics was initiated within one hour (if fluoroquinolone or vancomycin, two hours) prior to surgical incision (or start of procedure when no incision is required), as ordered
- G8631 – Clinician documented that patient was not an eligible candidate for ordering prophylactic parenteral antibiotics to be given within one hour (if fluoroquinolone or vancomycin, two hours) prior to surgical incision (or start of procedure when no incision is required)
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.