ICD-10 Code A36.9 – Diphtheria, unspecified (2026): Diagnosis, Symptoms & Billing Guide
The ICD-10 code for Diphtheria, unspecified is A36.9.2026 ICD-10-CM Diagnosis Code A36.9 – Diphtheria, unspecified Related ICD-10 Codes Parent code: A36 – Diphtheria Other codes in same category: A36.0 – Pharyngeal diphtheria, A36.1 – Nasopharyngeal diphtheria, A36.2 – Laryngeal diphtheria, A36.3 – Cutaneous diphtheria, A36.8 – Other diphtheria, A36.81 – Diphtheritic cardiomyopathy, A36.82 – Diphtheritic…