BillingBrief

Home / ICD-10-CM diagnosis codes

R06.5 Mouth breathing

ICD-10-CM · CMS code reference

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

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.

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.