2026 ICD-10-CM Diagnosis Code J32.4Chronic pansinusitis

ICD-10-CM Codes›J00–J99›J30-J39›J32

ICD-10-CM J32.4
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

J32.4 is a billable ICD-10-CM diagnosis code for chronic pansinusitis. 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 Sinusitis.

Code Identity

ICD-10-CM Code
J32.4
Billable Status
Yes — Valid for Submission
Code Describes
Chronic pansinusitis
Short Description
Chronic pansinusitis
Same as the full description in the CMS dataset.
Parent Code
J32
Chronic sinusitis

Code Classification

ChapterJ00–J99Diseases of the respiratory system
SectionJ30-J39Other diseases of upper respiratory tract
CategoryJ32Chronic sinusitis
This CodeJ32.4Chronic pansinusitis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Chronic pansinusitis
  • Pansinusitis

Tabular List NotesGuidance

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

Inclusion Terms

  • Pansinusitis NOS

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.

    • Pansinusitis(chronic) (hyperplastic) (nonpurulent) (purulent)

Clinical ClassificationClinical

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

CCSR RSP001
Sinusitis
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Chronic Sinusitis

    inflammation of the paranasal sinuses that typically lasts beyond eight weeks. it is caused by infections, allergies, and the presence of sinus polyps or deviated septum. signs and symptoms include headache, nasal discharge, swelling in the face, dizziness, and breathing difficulties.

Patient EducationClinical

Sinusitis

Sinusitis means your sinuses are inflamed. The cause can be an infection or another problem. Your sinuses are hollow air spaces within the bones surrounding the nose. They produce mucus, which drains into the nose. If your nose is swollen, this can block the sinuses and cause pain.

Read the full article at MedlinePlus

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

Convert J32.4 to ICD-9-CMHistory

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

ICD-9-CM
473.8 Chronic sinusitis NEC
Approximate The match is approximate rather than exact.

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 J32.4Overview

Is J32.4 (Chronic sinusitis) a billable code?

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

What MS-DRG does J32.4 group to?

When chronic pansinusitis 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 J32.4?

Under the General Equivalence Mappings, chronic pansinusitis converts to ICD-9-CM 473.8 (chronic sinusitis NEC). The mapping is approximate, so confirm the match fits the documentation.

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.