2026 ICD-10-CM Diagnosis Code J01Acute sinusitis

ICD-10-CM Codes›J00–J99›J00-J06›J01

ICD-10-CM J01
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

J01 is a non-billable ICD-10-CM category code for acute sinusitis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as J01.00, J01.01, J01.10, and J01.11.

Code Identity

ICD-10-CM Code
J01
Billable Status
No — Non-Billable Category
Code Describes
Acute sinusitis
Chapter
J00-J06
Acute upper respiratory infections

Code Classification

ChapterJ00–J99Diseases of the respiratory system
SectionJ00-J06Acute upper respiratory infections
CategoryJ01Acute sinusitis
This CodeJ01Acute sinusitis

Specific Coding for Acute sinusitisOverview

Non-specific codes like J01 require more characters. Use one of these billable codes instead:

  • J01.0 for Acute maxillary sinusitis

  • Use J01.00 for Acute maxillary sinusitis, unspecified

  • Use J01.01 for Acute recurrent maxillary sinusitis

  • J01.1 for Acute frontal sinusitis

  • Use J01.10 for Acute frontal sinusitis, unspecified

  • Use J01.11 for Acute recurrent frontal sinusitis

  • J01.2 for Acute ethmoidal sinusitis

  • Use J01.20 for Acute ethmoidal sinusitis, unspecified

  • Use J01.21 for Acute recurrent ethmoidal sinusitis

  • J01.3 for Acute sphenoidal sinusitis

  • Use J01.30 for Acute sphenoidal sinusitis, unspecified

  • Use J01.31 for Acute recurrent sphenoidal sinusitis

  • J01.4 for Acute pansinusitis

  • Use J01.40 for Acute pansinusitis, unspecified

  • Use J01.41 for Acute recurrent pansinusitis

  • J01.8 for Other acute sinusitis

  • Use J01.80 for Other acute sinusitis

  • Use J01.81 for Other acute recurrent sinusitis

  • J01.9 for Acute sinusitis, unspecified

  • Use J01.90 for Acute sinusitis, unspecified

  • Use J01.91 for Acute recurrent sinusitis, unspecified

Tabular List NotesGuidance

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

Includes

  • acute abscess of sinus
  • acute empyema of sinus
  • acute infection of sinus
  • acute inflammation of sinus
  • acute suppuration of sinus

Use Additional Code

Type 1 Excludes

Type 2 Excludes

Clinical InformationClinical

  • Acute Sinusitis

    sinusitis lasting less than or equal to thirty days.

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.

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 J01Overview

Is J01 (Acute sinusitis) a billable code?

No. This is a category header that groups the codes for acute sinusitis, and headers cannot be submitted on claims. Claims for acute sinusitis need a more specific code from this category, such as J01.00, J01.01, and J01.10.