A36.0 Pharyngeal diphtheria
The ICD-10-CM code for Pharyngeal diphtheria is A36.0 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- A30-A49: Other bacterial diseases (A30-A49)
- Category A36
- 14 codes (12 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to A36.0:
- Bretonneau's disease or angina
- Diphtheria, diphtheritic (gangrenous) (hemorrhagic) › tonsillar
- Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) › malignant diphtheritic
- Diphtheria, diphtheritic (gangrenous) (hemorrhagic) › faucial
- Diphtheria, diphtheritic (gangrenous) (hemorrhagic) › pharyngeal
- Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) › diphtheritic, membranous
- Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) › pultaceous, diphtheritic
- Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) › gangrenous diphtheritic
Inclusion Terms
- Diphtheritic membranous angina
- Tonsillar diphtheria
U.S. Hospital Utilization
A36.0 appeared in too few sampled U.S. inpatient stays in 2023 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
HIV Infections (TOC entry)a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19
Infectious agents causing diseases in other chapters (TOC)b. Infectious agents as the cause of diseases classified to other chapters ................................. 22
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026