L88 Pyoderma gangrenosum

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

Applicable to

• Phagedenic pyoderma

Excludes1 (never code together)

• dermatitis gangrenosa (L08.0)

Applies from L88 Pyoderma gangrenosum

Applicable to

• Phagedenic pyoderma

Excludes1 (never code together)

• dermatitis gangrenosa (L08.0)

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) 602-603 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 686.01 Pyoderma gangrenosum

Code annotations containing back-references to L88

Back-references to L88

• Type 1 Excludes: I96 Gangrene, not elsewhere classified ("pyoderma gangrenosum (L88)")
• Use Additional: K50 Crohn's disease [regional enteritis] ("pyoderma gangrenosum (L88)")
• Use Additional: K51 Ulcerative colitis ("pyoderma gangrenosum (L88)")
• Type 1 Excludes: L08.0 Pyoderma ("pyoderma gangrenosum (L88)")
• Type 1 Excludes: L08.81 Pyoderma vegetans ("pyoderma gangrenosum (L88)")

Back-references to L88

• Type 1 Excludes: I96 Gangrene, not elsewhere classified ("pyoderma gangrenosum (L88)")
• Use Additional: K50 Crohn's disease [regional enteritis] ("pyoderma gangrenosum (L88)")
• Use Additional: K51 Ulcerative colitis ("pyoderma gangrenosum (L88)")
• Type 1 Excludes: L08.0 Pyoderma ("pyoderma gangrenosum (L88)")
• Type 1 Excludes: L08.81 Pyoderma vegetans ("pyoderma gangrenosum (L88)")

Diagnosis Index entries for L88

• Phagedena (dry) (moist) (sloughing) › geometric
• Pyoderma, pyodermia › gangrenosum
• Pyoderma, pyodermia › phagedenic

Nearby codes

• L88 Pyoderma gangrenosum (this code)