2026 ICD-10-CM Diagnosis Code J30.9Allergic rhinitis, unspecified

ICD-10-CM Codes›J00–J99›J30-J39›J30

ICD-10-CM J30.9
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

J30.9 is a billable ICD-10-CM diagnosis code for allergic rhinitis, unspecified. 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. Coders also document this condition as allergic fungal sinusitis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Allergic reactions and Other specified and unspecified upper respiratory disease.

This medical diagnosis code is frequently used in Pediatrics medical specialties to designate conditions such allergic inflammation of the nasal airways.

Code Identity

ICD-10-CM Code
J30.9
Billable Status
Yes — Valid for Submission
Code Describes
Allergic rhinitis, unspecified
Short Description
Allergic rhinitis, unspecified
Same as the full description in the CMS dataset.
Parent Code
J30
Vasomotor and allergic rhinitis

Code Classification

ChapterJ00–J99Diseases of the respiratory system
SectionJ30-J39Other diseases of upper respiratory tract
CategoryJ30Vasomotor and allergic rhinitis
This CodeJ30.9Allergic rhinitis, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Allergic fungal sinusitis
  • Allergic rhinitis
  • Upper respiratory tract allergy

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.

    • Allergy, allergic(reaction) (to)
      • upper respiratory
    • Rhinitis(atrophic) (catarrhal) (chronic) (croupous) (fibrinous) (granulomatous) (hyperplastic) (hypertrophic) (membranous) (obstructive) (purulent) (suppurative) (ulcerative)
      • allergic

Clinical ClassificationClinical

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

CCSR INJ031
Allergic reactions
Default principal diagnosis: inpatient No · outpatient No
CCSR RSP007
Other specified and unspecified upper respiratory disease
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Allergic Fungal Sinusitis

    fungal infection in the paranasal sinuses characterized by common allergy respiratory symptoms, recurrent nasal polyps and/or asthma with buildup of allergic mucin.

Patient EducationClinical

Allergy

An allergy is a reaction by your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing. Substances that often cause reactions are:

Read the full article at MedlinePlus

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

Convert J30.9 to ICD-9-CMHistory

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

ICD-9-CM
477.9 Allergic rhinitis NOS
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 J30.9Overview

Is J30.9 (Vasomotor and allergic rhinitis) a billable code?

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

What MS-DRG does J30.9 group to?

When allergic rhinitis, unspecified 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 J30.9?

Under the General Equivalence Mappings, allergic rhinitis, unspecified converts to ICD-9-CM 477.9 (allergic rhinitis NOS). 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.