| A36 | Diphtheria | NON-BILLABLE CODE |
| A36.0 | Pharyngeal diphtheria | BILLABLE CODE |
| A36.1 | Nasopharyngeal diphtheria | BILLABLE CODE |
| A36.2 | Laryngeal diphtheria | BILLABLE CODE |
| A36.3 | Cutaneous diphtheria | BILLABLE CODE |
| A36.8 | Other diphtheria | NON-BILLABLE CODE |
| A36.81 | Diphtheritic cardiomyopathy | BILLABLE CODE |
| A36.82 | Diphtheritic radiculomyelitis | BILLABLE CODE |
| A36.83 | Diphtheritic polyneuritis | BILLABLE CODE |
| A36.85 | Diphtheritic cystitis | BILLABLE CODE |
| A36.86 | Diphtheritic conjunctivitis | BILLABLE CODE |
| A36.89 | Other diphtheritic complications | BILLABLE CODE |
| A36.9 | Diphtheria, unspecified | BILLABLE CODE |
