ICD-10 Code J37.0 – Chronic laryngitis (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code J37.0 – Chronic laryngitis
What it is
J37.0 identifies chronic inflammation of the larynx. Use it when the record describes a long-lasting laryngeal condition, not an acute sore throat or short-term hoarseness.
Clinical signs
Common findings include persistent hoarseness, voice fatigue, throat irritation, or a chronic cough. Clinical features vary; refer to documentation when the note does not clearly describe duration or laryngeal involvement.
When to use this code
Use J37.0 when the clinician documents chronic laryngitis, chronic laryngeal inflammation, or a persistent inflammatory laryngeal disorder. It may also fit follow-up visits for ongoing hoarseness when the provider confirms the diagnosis. Check documentation if the note only says “laryngitis” without chronicity.
Do not use for
Do not use this code for acute laryngitis, transient voice loss, or nonspecific throat symptoms without a diagnosed laryngeal condition. If another cause is documented, code that condition instead.
Coding tip
Confirm that the provider documents chronicity and laryngeal inflammation before assigning J37.0.