R15.0 Incomplete defecation

Billable ICD-10-CM code, FY2026.

Excludes2 (not included here)

• constipation (K59.0-)
• fecal impaction (K56.41)

Applies from R15 Fecal incontinence

Includes

• encopresis NOS

Excludes1 (never code together)

• fecal incontinence of nonorganic origin (F98.1)

MS-DRG index

Defines the logic of DRG(s) 391-392 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 787.61 Incomplete defecation

Code annotations containing back-references to R15.0

Back-references to R15.0

• Type 2 Excludes: K56.41 Fecal impaction ("incomplete defecation (R15.0)")
• Type 2 Excludes: K59.0 Constipation ("incomplete defecation (R15.0)")

Back-references to R15

• Type 1 Excludes: F98.1 Encopresis not due to a substance or known physiological condition ("encopresis NOS (R15.-)")
• Type 2 Excludes: K62 Other diseases of anus and rectum ("fecal incontinence (R15.-)")
• Use Additional: K62.81 Anal sphincter tear (healed) (nontraumatic) (old) ("code for any associated fecal incontinence (R15.-)")
• Use Additional: K62.89 Other specified diseases of anus and rectum ("code for any associated fecal incontinence (R15.-)")
• Use Additional: N81.6 Rectocele ("code for any associated fecal incontinence, if applicable (R15.-)")

Diagnosis Index entries for R15.0

• Incomplete › defecation

Nearby codes

• R15 Fecal incontinence
• R15.0 Incomplete defecation (this code)
• R15.1 Fecal smearing
• R15.2 Fecal urgency
• R15.9 Full incontinence of feces