---
title: "ICD-10-CM J01.40: Acute pansinusitis, unspecified | BillingBrief"
description: "ICD-10-CM code J01.40: Acute pansinusitis, unspecified. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/j01.40/"
language: "en"
---

# J01.40 Acute pansinusitis, unspecified

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Acute pansinusitis, unspecified

## Related codes

-   [`J01.00` Acute maxillary sinusitis, unspecified ICD-10-CM](https://billingbrief.com/icd10/j01.00/)
-   [`J01.01` Acute recurrent maxillary sinusitis ICD-10-CM](https://billingbrief.com/icd10/j01.01/)
-   [`J01.10` Acute frontal sinusitis, unspecified ICD-10-CM](https://billingbrief.com/icd10/j01.10/)
-   [`J01.11` Acute recurrent frontal sinusitis ICD-10-CM](https://billingbrief.com/icd10/j01.11/)
-   [`J01.20` Acute ethmoidal sinusitis, unspecified ICD-10-CM](https://billingbrief.com/icd10/j01.20/)
-   [`J01.21` Acute recurrent ethmoidal sinusitis ICD-10-CM](https://billingbrief.com/icd10/j01.21/)
-   [`J01.30` Acute sphenoidal sinusitis, unspecified ICD-10-CM](https://billingbrief.com/icd10/j01.30/)
-   [`J01.31` Acute recurrent sphenoidal sinusitis ICD-10-CM](https://billingbrief.com/icd10/j01.31/)

## Common questions

### Is J01.40 a billable code?

Yes. J01.40 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

J01 Acute sinusitis

Chapter

Diseases of the respiratory system

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).