A36.3 Cutaneous diphtheria

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

Excludes2 (not included here)

• erythrasma (L08.1)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 032.85 Cutaneous diphtheria

Diagnosis Index entries for A36.3

• Dermatitis (eczematous) › diphtheritica
• Diphtheria, diphtheritic (gangrenous) (hemorrhagic) › cutaneous
• Diphtheria, diphtheritic (gangrenous) (hemorrhagic) › infection of wound

Nearby codes

• A36 Diphtheria
• A36.0 Pharyngeal diphtheria
• A36.1 Nasopharyngeal diphtheria
• A36.2 Laryngeal diphtheria
• A36.3 Cutaneous diphtheria (this code)
• A36.8 Other diphtheria
• A36.81 Diphtheritic cardiomyopathy
• A36.82 Diphtheritic radiculomyelitis
• A36.83 Diphtheritic polyneuritis
• A36.84 Diphtheritic tubulo-interstitial nephropathy