M1229 HCPCS Level II Code: Patient, who has a reactive hcv antibody test, and has a follow up hcv viral test that detected hcv viremia, is referred within 1 month of the reactive hcv antibody test to a clinician who treats hcv…
HCPCS Level II code, maintained by CMS. Not a CPT code: CPT (HCPCS Level I) is a separate AMA code set that MedCoder does not publish. About HCPCS Level II
Compare with another code for M1229Check this code on a claim
Code status: Valid code · October 2026. A valid code in the CMS HCPCS Level II October 2026 file. Valid is not covered or payable: Medicare payment and coverage are shown below in CMS’s own terms.
Medicare Coverage & Payment
- CMS short descriptor: Pt w/ +hcv +vir ref win 1 mo
- 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, 2024
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.
Coding context
Guidelines, coding notes, decision aids, relationships (with MS-DRG and CCSR classification), hierarchy, HCC, coverage and the context map: what a coder reaches for after the core. Each section names whether it is official source data, a MedCoder-derived relationship or MedCoder editorial.
Contextual Map
Every relationship of M1229 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)
- M1209 — At least two orders for high-risk medications from the same drug class, (table 4), without appropriate diagnoses[Sibling]— CMS HCPCS Level II code set
- M1210 — At least two orders for high-risk medications from the same drug class, (table 4), not ordered[Sibling]— CMS HCPCS Level II code set
- M1211 — Most recent glycemic status assessment (hba1c or gmi) level > 9.0%[Sibling]— CMS HCPCS Level II code set
- M1212 — Glycemic status assessment (hba1c or gmi) level is missing, or was not performed during the measurement period[Sibling]— CMS HCPCS Level II code set
- M1213 — No history of spirometry results with confirmed airflow obstruction (fev1/fvc < 70%) and present spirometry is >= 70%[Sibling]— CMS HCPCS Level II code set
- M1214 — Spirometry results with confirmed airflow obstruction (fev1/fvc < 70%) documented and reviewed[Sibling]— CMS HCPCS Level II code set
- M1215 — Documentation of medical reason(s) for not documenting and reviewing spirometry results (e.g., patients with dementia or tracheostomy)[Sibling]— CMS HCPCS Level II code set
- M1216 — No spirometry results with confirmed airflow obstruction (fev1/fvc < 70%) documented and/or no spirometry performed with results documented during the encounter[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history
- January 1, 2024 — Added to the code set [Change history]— CMS release files (code change ledger)
Reference
Index terms and tables, published questions and FAQ, every source behind this page with its release and checksum, the date-of-service check and the complete change history.
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 — October 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-derived 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 editorial 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.
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources
Labels on this page: Official source data · MedCoder-derived relationship · MedCoder editorial explanation. How to read the labels · All data sources and release dates · CMS coding rules
Cite this page
Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.
MedCoder.ai. "M1229 — Patient, who has a reactive hcv antibody test, and has a follow up hcv viral test that detected hcv viremia, is referred within 1 month of the reactive hcv antibody test to a clinician who treats hcv infection." HCPCS Level II October 2026. https://medcoder.ai/hcpcs/code/m1229-patient-who-has-a-reactive-hcv-antibody-test-and-has
Change history
- January 1, 2024Added to the code setPatient, who has a reactive hcv antibody test, and has a follow up hcv viral test that detected hcv viremia, is referred within 1 month of the reactive hcv antibody test to a clinician who treats hcv infectionHCPCS 2024 changes
Nearest Codes in This Family
Official HCPCS Level II classifications closest to M1229 in its code family, with their registry titles.
- M1224 — Intraocular pressure (iop) reduced by a value less than 20% from the pre-intervention level
- M1225 — Intraocular pressure (iop) reduced by a value of greater than or equal to 20% from the pre-intervention level
- M1226 — Iop measurement not documented, reason not otherwise specified
- M1227 — Evidence-based therapy was prescribed
- M1228 — Patient, who has a reactive hcv antibody test, and has a follow up hcv viral test that detected hcv viremia, has hcv treatment initiated within 3 months of the reactive hcv antibody test
- M1230 — Patient has a reactive hcv antibody test and does not have a follow up hcv viral test, or patient has a reactive hcv antibody test and has a follow up hcv viral test that detects hcv viremia and is…
- M1231 — Patient receives hcv antibody test with nonreactive result
- M1232 — Patient receives hcv antibody test with reactive result
- M1233 — Patient does not receive hcv antibody test or patient does receive hcv antibody test but results not documented, reason not given
- M1234 — Patient has a reactive hcv antibody test, and has a follow up hcv viral test that does not detect hcv viremia