ICD-10-CM category
A36: Diphtheria
Codes under A36 (Diphtheria). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A36.0 | Pharyngeal diphtheria | ✓ |
| A36.1 | Nasopharyngeal diphtheria | ✓ |
| A36.2 | Laryngeal diphtheria | ✓ |
| A36.3 | Cutaneous diphtheria | ✓ |
| A36.8 | Other diphtheria | — |
| A36.9 | Diphtheria, unspecified | ✓ |
| A36.81 | Diphtheritic cardiomyopathy | ✓ |
| A36.82 | Diphtheritic radiculomyelitis | ✓ |
| A36.83 | Diphtheritic polyneuritis | ✓ |
| A36.84 | Diphtheritic tubulo-interstitial nephropathy | ✓ |
| A36.85 | Diphtheritic cystitis | ✓ |
| A36.86 | Diphtheritic conjunctivitis | ✓ |
| A36.89 | Other diphtheritic complications | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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