K59.89 Other specified functional intestinal disorders
Billable ICD-10-CM code, FY2026.
Applicable to
- Atony of colon
- Pseudo-obstruction (acute) (chronic) of intestine
Applies from K59 Other functional intestinal disorders
Excludes1 (never code together)
- change in bowel habit NOS (R19.4)
- intestinal malabsorption (K90.-)
- psychogenic intestinal disorders (F45.8)
Excludes2 (not included here)
- functional disorders of stomach (K31.-)
MS-DRG index
Defines the logic of DRG(s) 391-392 in MDC 06.
Diagnosis Index entries for K59.89
- Achalasia (cardia) (esophagus) › sphincteral NEC
- Atonia, atony, atonic › cecum
- Atonia, atony, atonic › intestine
- Contraction (s), contracture, contracted › anus
- Contraction (s), contracture, contracted › rectum, rectal (sphincter)
- Dilatation › anus
- Dilatation › duodenum
- Dilatation › ileum
- Dilatation › jejunum
- Disease, diseased › intestine › functional › specified NEC
- Dyskinesia › intestinal
- Dyspepsia › intestinal
- Hyperemia (acute) (passive) › enteric
- Hyperemia (acute) (passive) › intestine
- Hypofunction › intestinal
- Hypomotility › intestine
- Ileus (bowel) (colon) (inhibitory) (intestine) › myxedema
- Immobile, immobility › intestine
- Irritable, irritability › duodenum
- Irritable, irritability › ileum
- Irritable, irritability › jejunum
- Irritable, irritability › rectum
- Paralysis, paralytic (complete) (incomplete) › digestive organs NEC
- Pseudo-obstruction intestine (acute) (chronic) (idiopathic) (intermittent secondary) (primary)
- Spasm (s), spastic, spasticity › duodenum
- Stasis › cecum
- Stasis › colon
- Stasis › ileocecal coil
- Stasis › ileum
- Stasis › intestinal
- Stasis › jejunum
- Stasis › rectal
- Syndrome › hepatic flexure
- Syndrome › König's
- Syndrome › splenic › flexure
Nearby codes
K59.31 Toxic megacolonK59.39 Other megacolonK59.4 Anal spasmK59.8 Other specified functional intestinal disordersK59.81 Ogilvie syndromeK59.89 Other specified functional intestinal disorders (this code)K59.9 Functional intestinal disorder, unspecified