G9799 HCPCS Level II code: Patients with a medication dispensing event indicator of a history of asthma any time during the patient's history through the end of the measure period
CMS terminated G9799: its last date of service was Dec 31, 2020. It stays here for looking up older claims; newer services need a current code.
Official description
G9799Patients with a medication dispensing event indicator of a history of asthma any time during the patient's history through the end of the measure period
Short description: Med disp evt indic hx asth
HCPCS · United States
Medicare details
The indicators CMS publishes with G9799 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Undefined codes
- Added
- Jan 1, 2017
- Terminated after
- Dec 31, 2020
Where G9799 sits
- 1G codesProcedures and professional services
- 2Terminated G9799Patients with a medication dispensing event indicator of a history of asthma any time during the patient's history through the end of the measure period
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is HCPCS code G9799 still valid?
No. CMS terminated G9799; its last date of service was Dec 31, 2020. It is listed for looking up services from before then. Use a current code for newer services.
Does Medicare cover G9799?
CMS lists G9799’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G9799
All G codesG9793Patient is currently on a daily aspirin or other antiplateletG9794Documentation of medical reason(s) for not on a daily aspirin or other antiplatelet (e.g., history of gastrointestinal bleed, intra-cranial bleed, idiopathic thrombocytopenic…G9795Patient is not currently on a daily aspirin or other antiplateletG9796Patient is currently on a high intensity statin therapyG9797Patient is not on a high intensity statin therapyG9798Discharge(s) for ami between july 1 of the year prior measurement period to june 30 of the measurement periodG9800Patients who are identified as having an intolerance or allergy to beta-blocker therapyG9801Hospitalizations in which the patient was transferred directly to a non-acute care facility for any diagnosisG9802Patients who use hospice services any time during the measurement periodG9803Patient prescribed at least a 135 day treatment within the 180-day measurement interval with beta-blockers post-discharge for amiG9804Patient was not prescribed at least a 135 day treatment within the 180-day measurement interval with beta-blockers post-discharge for amiG9805Patients who use hospice services any time during the measurement period