M1478
HCPCSPsychoactive sub abuse
Official HCPCS Level II long descriptor
Psychoactive substance abuse
HCPCS Level II code M1478 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Psychoactive sub abuse
Added to HCPCS: 2026-01-01
Nearby codes in M1
- M1470Hep b vac not rec'd med rsn
- M1471Ffs hep b not covered
- M1472Hep b vaccine not received
- M1473Pt func cap not allow impr
- M1474Pt dx dementia
- M1475Pt dx huntington
- M1476Pt dx cog imp or ad
- M1477Dx delirium
- M1479Pt func cap not allow impr
- M1480Pt func cap not allow impr
- M1481Pt in hosp/pal care who died
- M1482Pos quan hep c or qual rna
- M1483Neg quan hep c or qual rna
- M1484No rpt hcv rna perf med rsn
- M1485Neg viro resp hep c/qual rna
- M1486Pt admitted to snf dur eval
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.