J00 — Acute nasopharyngitis [common cold]

J00

ICD-10 Chapter 10: Respiratory System — illustrative image — Chapter 10: Diseases of the respiratory system (J00–J99) — illustrative image

What this code means

The common cold: a mild viral infection of the nose and throat causing a blocked or runny nose, sneezing and sore throat.

Also called: common cold, acute nasopharyngitis, head cold.

When this code is used

Used for acute nasopharyngitis (the common cold).

Where it sits in ICD-10-CM

Code J00 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

Frequently asked questions

What is ICD-10-CM code J00?

J00 is the ICD-10-CM diagnosis code for “Acute nasopharyngitis [common cold]”. The common cold: a mild viral infection of the nose and throat causing a blocked or runny nose, sneezing and sore throat.

When is code J00 used?

Used for acute nasopharyngitis (the common cold). 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.