A36.0
Pharyngeal diphtheria
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 5 never code together
A00-B99chapter
Excludes1
- certain localized infections - see body system-related chapters
Excludes2
- carrier or suspected carrier of infectious disease (Z22.-)Z22.-
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
- infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
- influenza and other acute respiratory infections (J00-J22)J00-J22
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 4
Index entries leading here 10
- Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) I20.9
- Disease, diseased — see also Syndrome
- Bretonneau's (diphtheritic malignant angina) A36.0
- Bretonneau's disease or angina A36.0
- Diphtheria, diphtheritic (gangrenous) (hemorrhagic) A36.9
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative
- Paralysis, paralytic (complete) (incomplete) G83.9
- Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) I96
- throat — see also Pharyngitis
- diphtheritic A36.0
- throat — see also Pharyngitis
- Pharyngitis (acute) (catarrhal)(gangrenous) (infective) (malignant) (membranous) (phlegmonous) (pseudomembranous) (simple) (subacute) (suppurative) (ulcerative) (viral) J02.9
- diphtheritic A36.0
- Sore
- throat (acute) — see also Pharyngitis
- diphtheritic A36.0
- throat (acute) — see also Pharyngitis
- Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral) J03.90
- diphtheritic A36.0
Alongside this code 5 same parent — A36
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.