L87.1 Reactive perforating collagenosis

Billable ICD-10-CM code, FY2026.

Applies from L87 Transepidermal elimination disorders

Excludes1 (never code together)

• granuloma annulare (perforating) (L92.0)

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 701.8 Other specified hypertrophic and atrophic conditions of skin (approximate)

Code annotations containing back-references to L87.1

Back-references to L87.1

• Type 1 Excludes: M35 Other systemic involvement of connective tissue ("reactive perforating collagenosis (L87.1)")

Diagnosis Index entries for L87.1

• Collagenosis, collagen disease (nonvascular) (vascular) › reactive perforating

Nearby codes

• L87 Transepidermal elimination disorders
• L87.0 Keratosis follicularis et parafollicularis in cutem penetrans
• L87.1 Reactive perforating collagenosis (this code)
• L87.2 Elastosis perforans serpiginosa
• L87.8 Other transepidermal elimination disorders
• L87.9 Transepidermal elimination disorder, unspecified