ICDcodes.org
FY2027

K56 vs K56.0

K56 and K56.0 can never be reported together. ICD-10-CM declares them mutually exclusive with an Excludes1 note, meaning the two conditions cannot occur in the same patient — so exactly one of them is correct for any given encounter.

The official note, declared on K56.0
obstructive ileus NOS (K56.69-)
K56

Paralytic ileus and intestinal obstruction without hernia

Not billable
Chapter 11
Diseases of the digestive system
Section
K55-K64
K56.0

Paralytic ileus

Billable
Chapter 11
Diseases of the digestive system
Section
K55-K64
Use when the record says
  • Paralysis of bowel
  • Paralysis of colon
  • Paralysis of intestine
Indexed under
  • Ileus › adynamic (bowel) (colon) (inhibitory) (intestine)
  • Ileus › neurogenic (bowel) (colon) (inhibitory) (intestine)
  • Ileus › paralytic (bowel) (colon) (inhibitory) (intestine)
  • Paralysis, paralytic › bowel, colon or intestine (complete) (incomplete)
  • Paralysis, paralytic › colon (complete) (incomplete)

Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027