G9804 HCPCS Level II Code: Patient was not prescribed at least a 135 day treatment within the 180-day measurement interval with beta-blockers post-discharge for ami
Medicare Coverage & Payment
- CMS short descriptor: Pt not presc 135 day trmt
- Medicare coverage: Carrier judgment (CMS coverage code C)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: Z2 — Undefined codes
- Last CMS action effective: January 1, 2021
- Terminated: December 31, 2020
Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.
Code Set: Removed from the code set — not valid on or after January 1, 2021.
Contextual Map
Every relationship of G9804 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Nearest codes (40)
- G9800 — Patients who are identified as having an intolerance or allergy to beta-blocker therapy[Sibling]— CMS HCPCS Level II code set
- G9801 — Hospitalizations in which the patient was transferred directly to a non-acute care facility for any diagnosis[Sibling]— CMS HCPCS Level II code set
- G9802 — Patients who use hospice services any time during the measurement period[Sibling]— CMS HCPCS Level II code set
- G9803 — Patient prescribed at least a 135 day treatment within the 180-day measurement interval with beta-blockers post-discharge for ami[Sibling]— CMS HCPCS Level II code set
- G9805 — Patients who use hospice services any time during the measurement period[Sibling]— CMS HCPCS Level II code set
- G9806 — Patients who received cervical cytology or an hpv test[Sibling]— CMS HCPCS Level II code set
- G9807 — Patients who did not receive cervical cytology or an hpv test[Sibling]— CMS HCPCS Level II code set
- G9808 — Any patients who had no asthma controller medications dispensed during the measurement year[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history (2)
- January 1, 2021 — Removed from the code set [Change history]— CMS release files (code change ledger)
- and 1 more
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, descriptors, coverage and pricing attributes Official source data
- CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- January 1, 2021Removed from the code setPatient was not prescribed at least a 135 day treatment within the 180-day measurement interval with beta-blockers post-discharge for ami
- January 1, 2017Added to the code setPatient was not prescribed at least a 135 day treatment within the 180-day measurement interval with beta-blockers post-discharge for ami
Nearest Codes in This Family
Official HCPCS Level II classifications closest to G9804 in its code family, with their registry titles.
- G9800 — Patients who are identified as having an intolerance or allergy to beta-blocker therapy
- G9801 — Hospitalizations in which the patient was transferred directly to a non-acute care facility for any diagnosis
- G9802 — Patients who use hospice services any time during the measurement period
- G9803 — Patient prescribed at least a 135 day treatment within the 180-day measurement interval with beta-blockers post-discharge for ami
- G9805 — Patients who use hospice services any time during the measurement period
- G9806 — Patients who received cervical cytology or an hpv test
- G9807 — Patients who did not receive cervical cytology or an hpv test
- G9808 — Any patients who had no asthma controller medications dispensed during the measurement year
- G9809 — Patients who use hospice services any time during the measurement period
- G9810 — Patient achieved a pdc of at least 75% for their asthma controller medication