ICD-10-CM · FY 2026 APRIL UPDATE
A36
Diphtheria
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| A36.0 | Pharyngeal diphtheria | Billable |
| A36.1 | Nasopharyngeal diphtheria | Billable |
| A36.2 | Laryngeal diphtheria | Billable |
| A36.3 | Cutaneous diphtheria | Billable |
| A36.8 | Other diphtheria | Category |
| A36.81 | Diphtheritic cardiomyopathy | Billable |
| A36.82 | Diphtheritic radiculomyelitis | Billable |
| A36.83 | Diphtheritic polyneuritis | Billable |
| A36.84 | Diphtheritic tubulo-interstitial nephropathy | Billable |
| A36.85 | Diphtheritic cystitis | Billable |
| A36.86 | Diphtheritic conjunctivitis | Billable |
| A36.89 | Other diphtheritic complications | Billable |
| A36.9 | Diphtheria, unspecified | Billable |
Use the complete reference
This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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