2026 ICD-10-CM Diagnosis Code J37.0Chronic laryngitis

ICD-10-CM Codes›J00–J99›J30-J39›J37

ICD-10-CM J37.0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

J37.0 is a billable ICD-10-CM diagnosis code for chronic laryngitis. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 152 through 153. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified upper respiratory disease.

Code Identity

ICD-10-CM Code
J37.0
Billable Status
Yes — Valid for Submission
Code Describes
Chronic laryngitis
Short Description
Chronic laryngitis
Same as the full description in the CMS dataset.
Parent Code
J37
Chronic laryngitis and laryngotracheitis

Code Classification

ChapterJ00–J99Diseases of the respiratory system
SectionJ30-J39Other diseases of upper respiratory tract
CategoryJ37Chronic laryngitis and laryngotracheitis
This CodeJ37.0Chronic laryngitis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Catarrhal laryngitis
  • Chronic catarrhal laryngitis
  • Chronic epiglottitis
  • Chronic fungal laryngitis
  • Chronic hyperplastic laryngitis
  • Chronic laryngitis
  • Chronic pharyngolaryngitis
  • Chronic simple laryngitis
  • Hypertrophic laryngitis
  • Laryngitis sicca
  • Pharyngolaryngitis

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Catarrhal laryngitis
  • Hypertrophic laryngitis
  • Sicca laryngitis

Type 2 Excludes

  • acute laryngitis J04.0
  • obstructive acute laryngitis J05.0

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Angina(attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor)
      • exudative, chronic
    • Atrophy, atrophic(of)
      • laryngitis, infective
    • Catarrh, catarrhal(acute) (febrile) (infectious) (inflammation)
      • larynx, chronic
    • Congestion, congestive
      • glottis
    • Congestion, congestive
      • larynx
    • Epiglottitis, epiglottiditis(acute)
      • chronic
    • Laryngitis(acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative)
      • atrophic
    • Laryngitis(acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative)
      • catarrhal
    • Laryngitis(acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative)
      • chronic
    • Laryngitis(acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative)
      • hypertrophic
    • Laryngitis(acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative)
      • sicca
    • Laryngopharyngitis(acute)
      • chronic
    • Pharyngolaryngitis(acute)
      • chronic
    • Trachoma, trachomatous
      • Türck's
    • Türck's trachoma

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR RSP007
Other specified and unspecified upper respiratory disease
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Chronic Laryngitis

    persistent laryngitis usually caused by smoking, heavy alcohol consumption, voice abuse, or gastroesophageal reflux disease. it results in hoarseness and other voice changes.

Patient EducationClinical

Throat Disorders

Your throat is a tube that carries food to your esophagus and air to your windpipe and larynx. The technical name for your throat is the pharynx.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert J37.0 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
476.0 Chronic laryngitis
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About J37.0Overview

Is J37.0 (Chronic laryngitis and laryngotracheitis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report chronic laryngitis on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does J37.0 group to?

When chronic laryngitis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 152, 153, with relative weights from 0.7382 to 1.1822 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of J37.0?

Under the General Equivalence Mappings, chronic laryngitis converts to ICD-9-CM 476.0 (chronic laryngitis). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.