K59.0 vs R15.0
K59.0 (Constipation) compared with R15.0 (Incomplete defecation), 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. K59.0 carries an Excludes2 note covering R15.0: “incomplete defecation (R15.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. R15.0 carries an Excludes2 note covering K59.0: “constipation (K59.0-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| K59.0Constipation | R15.0Incomplete defecation | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Constipation is a non-billable ICD-10-CM category code (K59.0). | Incomplete defecation is a billable ICD-10-CM diagnosis code (R15.0). |
| Includes | — | encopresis NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources