---
title: "ICD-10-CM R06.5: Mouth breathing | BillingBrief"
description: "ICD-10-CM code R06.5: Mouth breathing. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/r06.5/"
language: "en"
---

# R06.5 Mouth breathing

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

**Official ICD-10-CM description:** Mouth breathing

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   acute respiratory distress syndrome (J80)
-   respiratory arrest (R09.2)
-   respiratory arrest of newborn (P28.81)
-   respiratory distress syndrome of newborn (P22.-)
-   respiratory failure (J96.-)
-   respiratory failure of newborn (P28.5)

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   dry mouth NOS (R68.2)

## Related codes

-   [`R06.1` Stridor ICD-10-CM](https://billingbrief.com/icd10/r06.1/)
-   [`R06.2` Wheezing ICD-10-CM](https://billingbrief.com/icd10/r06.2/)
-   [`R06.3` Periodic breathing ICD-10-CM](https://billingbrief.com/icd10/r06.3/)
-   [`R06.4` Hyperventilation ICD-10-CM](https://billingbrief.com/icd10/r06.4/)
-   [`R06.6` Hiccough ICD-10-CM](https://billingbrief.com/icd10/r06.6/)
-   [`R06.7` Sneezing ICD-10-CM](https://billingbrief.com/icd10/r06.7/)
-   [`R06.81` Apnea, not elsewhere classified ICD-10-CM](https://billingbrief.com/icd10/r06.81/)
-   [`R06.82` Tachypnea, not elsewhere classified ICD-10-CM](https://billingbrief.com/icd10/r06.82/)

## Common questions

### Is R06.5 a billable code?

Yes. R06.5 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

R06 Abnormalities of breathing

Chapter

Symptoms, signs and abnormal clinical and laboratory findings

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/).