L12.9 Pemphigoid, unspecified

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from L12 Pemphigoid

Excludes1 (never code together)

• herpes gestationis (O26.4-)
• impetigo herpetiformis (L40.1)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 387 — Pemphigus, Pemphigoid, and Other Specified Autoimmune Skin Disorders
• RxHCC V08: HCC 314 — Pemphigus, Pemphigoid, and Other Bullous Skin Disorders

MS-DRG index

Defines the logic of DRG(s) 595-596 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 694.5 Pemphigoid (approximate)

Diagnosis Index entries for L12.9

• Pemphigoid

Nearby codes

• L12.3 Acquired epidermolysis bullosa
• L12.30 Acquired epidermolysis bullosa, unspecified
• L12.31 Epidermolysis bullosa due to drug
• L12.35 Other acquired epidermolysis bullosa
• L12.8 Other pemphigoid
• L12.9 Pemphigoid, unspecified (this code)