M1447 HCPCS Level II Code: Patients with an active diagnosis of bipolar disorder any time prior to the end of the measure assessment period
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 M1447Check 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 dx bd bef end meas pd
- 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, 2026
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 M1447 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)
- M1427 — Documentation of medical reason(s) for performing a bone scan (including documented pain related to prostate cancer, salvage therapy, other medical reasons)[Sibling]— CMS HCPCS Level II code set
- M1428 — Patients who have bilateral absence of eyes any time during the patient's history through the end of the measurement period[Sibling]— CMS HCPCS Level II code set
- M1429 — Retinal exam finding with evidence of retinopathy in left, right or both eyes with severity level documented[Sibling]— CMS HCPCS Level II code set
- M1430 — Retinal exam finding without evidence of retinopathy in both eyes with severity level documented (in measurement year or in the prior year)[Sibling]— CMS HCPCS Level II code set
- M1431 — Encounters conducted via telehealth[Sibling]— CMS HCPCS Level II code set
- M1432 — Encounters conducted via telehealth[Sibling]— CMS HCPCS Level II code set
- M1433 — Patient on oral chemotherapy on or within 30 days before denominator eligible encounter[Sibling]— CMS HCPCS Level II code set
- M1434 — Patient on oral chemotherapy on or within 30 days after denominator eligible encounter[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history
- January 1, 2026 — 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. "M1447 — Patients with an active diagnosis of bipolar disorder any time prior to the end of the measure assessment period." HCPCS Level II October 2026. https://medcoder.ai/hcpcs/code/m1447-patients-with-an-active-diagnosis-of-bipolar-disorder-any-time
Change history
- January 1, 2026Added to the code setPatients with an active diagnosis of bipolar disorder any time prior to the end of the measure assessment periodHCPCS 2026 changes
Nearest Codes in This Family
Official HCPCS Level II classifications closest to M1447 in its code family, with their registry titles.
- M1442 — Encounters conducted via telehealth
- M1443 — Encounters conducted via telehealth
- M1444 — Delivery at < 39 weeks of gestation
- M1445 — Postpartum care visit before or at 12 weeks of giving birth
- M1446 — Patients who died any time prior to the end of the measure assessment period
- M1448 — Patients with an active diagnosis of personality disorder any time prior to the end of the measure assessment period
- M1449 — Patients with an active diagnosis of schizophrenia or psychotic disorder any time prior to the end of the measure assessment period
- M1450 — Patients who received hospice or palliative care service any time during denominator identification period or the measure assessment period
- M1451 — Patients with an active diagnosis of pervasive developmental disorder any time prior to the end of the measure assessment period
- M1452 — Patient ever had a diagnosis of dementia