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J02.0 — Streptococcal pharyngitis
J02.0
What this code means
Streptococcal pharyngitis ('strep throat') is a bacterial throat infection caused by group A streptococcus.
Also called: strep throat, streptococcal pharyngitis.
When this code is used
Used for streptococcal pharyngitis.
Where it sits in ICD-10-CM
Code J02.0 belongs to Chapter 10: Diseases of the respiratory system, which covers codes J00–J99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Watch: related videos
Frequently asked questions
What is ICD-10-CM code J02.0?
J02.0 is the ICD-10-CM diagnosis code for “Streptococcal pharyngitis”. Streptococcal pharyngitis ('strep throat') is a bacterial throat infection caused by group A streptococcus.
When is code J02.0 used?
Used for streptococcal pharyngitis. It belongs to Chapter 10 of ICD-10-CM (Diseases of the respiratory system).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.