2026 ICD-10-CM Diagnosis Code J37.0Chronic laryngitis
ICD-10-CM Codes›J00–J99›J30-J39›J37
- Billable — Valid for Submission
- Chronic Condition
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 11 through 13, 152 through 153. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified upper respiratory disease.
Code Identity
Code Classification
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
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) I20.9
exudative, chronic J37.0
Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation) See Also: condition; J00
larynx, chronic J37.0
Laryngitis (acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) J04.0
atrophic J37.0
catarrhal J37.0
chronic J37.0
hypertrophic J37.0
sicca J37.0
Türck's trachoma J37.0
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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.
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Convert J37.0 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About J37.0Overview
What is the ICD-10 code for chronic laryngitis?
The ICD-10-CM code for chronic laryngitis is J37.0 (sometimes written as J370). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
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 11, 12, 13, 152, 153, with relative weights from 0.7382 to 5.4541 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.