Pemphigus, Pemphigoid, and Other Specified Autoimmune Skin Disorders
Under the CMS-HCC V28 risk adjustment model (PY2026 Medicare Advantage), HCC 387 carries a community non-dual aged RAF of 0.406, and 14 payable ICD-10-CM diagnosis codes map to it.
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.
ICD-10-CM codes that map to HCC 387 (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.
- D86.3Sarcoidosis of skin
- L10.0Pemphigus vulgaris
- L10.1Pemphigus vegetans
- L10.2Pemphigus foliaceous
- L10.3Brazilian pemphigus [fogo selvagem]
- L10.4Pemphigus erythematosus
- L10.81Paraneoplastic pemphigus
- L10.89Other pemphigus
- L10.9Pemphigus, unspecified
- L12.0Bullous pemphigoid
- L12.1Cicatricial pemphigoid
- L12.8Other pemphigoid
- L12.9Pemphigoid, unspecified
- L88Pyoderma gangrenosum
Frequently asked questions
What is CMS-HCC V28 category 387?
HCC 387 is "Pemphigus, Pemphigoid, and Other Specified Autoimmune Skin Disorders", 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 387?
The community non-dual aged relative factor for CMS-HCC V28 category 387 is 0.406. 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 387?
14 payable ICD-10-CM diagnosis codes map to CMS-HCC V28 category 387 (Pemphigus, Pemphigoid, and Other Specified Autoimmune Skin Disorders) for payment year 2026.
Source: CMS published ICD-10-CM mapping file plus CMS-HCC v28 PY2026 model software.