ICD-10-CM 2027
ICD-10 code for defecation incomplete
From the official ICD-10-CM alphabetic index entry “Incomplete › defecation”. Page updated September 29, 2026.
About coding defecation incomplete
The ICD-10-CM code for defecation incomplete is R15.0 (Incomplete defecation).
Within R15 (fecal incontinence), R15.0 is specifically for incomplete defecation. Related codes cover fecal smearing (R15.1), fecal urgency (R15.2) and full incontinence of feces (R15.9).
The conditions in its Excludes2 note aren't part of R15.0, but may be coded alongside it if the patient has both: constipation (K59.0-) and fecal impaction (K56.41).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about defecation incomplete ICD-10 codes
What is the ICD-10 code for defecation incomplete?
- R15.0 — Incomplete defecation.
Is R15.0 billable?
- Yes. R15.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R15.0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R15.0 as a principal diagnosis.
Is R15.0 a CC or MCC?
- No. R15.0 is neither a CC nor an MCC under MS-DRG v44.0.