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V28 HCC 138Community non-dual aged RAF 0.423

Drug Use Disorder, Mild, Uncomplicated, Except Cannabis

Under the CMS-HCC V28 risk adjustment model (PY2026 Medicare Advantage), HCC 138 carries a community non-dual aged RAF of 0.423, and 14 payable ICD-10-CM diagnosis codes map to it. In the V28 hierarchy it is superseded by HCC 135, HCC 136, HCC 137 when a more severe category in the same disease group is also present.

RAF factors

The community factor varies by Medicaid and originally-disabled status; the institutional factor applies to long-term-institutional members. These are the CMS-HCC V28 PY2026 relative factors.

Community NA: 0.423Community PBA: 0.355Community FBA: 0.502Community ND: 0.264Community PBD: 0.348Community FBD: 0.384Institutional: 0.297

V28 hierarchy

Trumped by: HCC 135, HCC 136, HCC 137 (a more severe category in the same disease group supersedes this one).

Supersedes: HCC 139 (this category is counted instead of these when they co-occur).

ICD-10-CM codes that map to HCC 138 (14)

Payable diagnosis codes that map to this category under CMS-HCC V28 PY2026. Open any code for its full description, HCC mapping, and coding guidance.

Frequently asked questions

What is CMS-HCC V28 category 138?

HCC 138 is "Drug Use Disorder, Mild, Uncomplicated, Except Cannabis", a payment Hierarchical Condition Category in the CMS-HCC V28 risk adjustment model (100% phase-in for payment year 2026). 14 payable ICD-10-CM codes map to it.

What is the RAF weight for HCC 138?

The community non-dual aged relative factor for CMS-HCC V28 category 138 is 0.423. The exact factor varies by enrollment segment (community Medicaid and originally-disabled status, and institutional); the full segment table is published in the CMS V28 Rate Announcement.

How many ICD-10-CM codes map to HCC 138?

14 payable ICD-10-CM diagnosis codes map to CMS-HCC V28 category 138 (Drug Use Disorder, Mild, Uncomplicated, Except Cannabis) for payment year 2026.

Which categories trump HCC 138 in the V28 hierarchy?

HCC 138 is superseded by HCC 135 (Drug Use with Psychotic Complications), HCC 136 (Alcohol Use with Psychotic Complications), HCC 137 (Drug Use Disorder, Moderate/Severe, or Drug Use with Non-Psychotic Complications). When a more severe category in the same disease group is documented, it is counted instead of HCC 138.

Source: CMS published ICD-10-CM mapping file plus CMS-HCC v28 PY2026 model software.