R06.5 vs R68.2
R06.5 (Mouth breathing) compared with R68.2 (Dry mouth, unspecified), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. R06.5 carries an Excludes2 note covering R68.2: “dry mouth NOS (R68.2)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| R06.5Mouth breathing | R68.2Dry mouth, unspecified | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Mouth breathing is a billable ICD-10-CM diagnosis code (R06.5). | Dry mouth, unspecified is a billable ICD-10-CM diagnosis code (R68.2). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources