L12.1 Cicatricial pemphigoid

Billable ICD-10-CM code, FY2026.

Applicable to

• Benign mucous membrane pemphigoid

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)

• 694.60 Benign mucous membrane pemphigoid without mention of ocular involvement (approximate)
• 694.61 Benign mucous membrane pemphigoid with ocular involvement (approximate)

Diagnosis Index entries for L12.1

• Dermatitis (eczematous) › bullous, bullosa › mucosynechial, atrophic
• Pemphigoid › benign, mucous membrane
• Pemphigoid › cicatricial
• Pemphigoid › ocular
• Pemphigus › conjunctiva
• Pemphigus › ocular

Nearby codes

• L12 Pemphigoid
• L12.0 Bullous pemphigoid
• L12.1 Cicatricial pemphigoid (this code)
• L12.2 Chronic bullous disease of childhood
• L12.3 Acquired epidermolysis bullosa
• L12.30 Acquired epidermolysis bullosa, unspecified
• L12.31 Epidermolysis bullosa due to drug
• L12.35 Other acquired epidermolysis bullosa