K59.89

Other specified functional intestinal disorders

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 12 never code together

K59code

Excludes1

Excludes2

Excludes2

certain conditions originating in the perinatal period (P04-P96)P04-P96
certain infectious and parasitic diseases (A00-B99)A00-B99
complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
neoplasms (C00-D49)C00-D49
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 2

Inclusion terms

Index entries leading here 18

Achalasia (cardia) (esophagus) K22.0
- sphincteral NEC K59.89
Contraction (s) , contracture, contracted
- anus K59.89
- rectum, rectal (sphincter) K59.89
Dilatation
- anus K59.89
- ileum K59.89
- jejunum K59.89
- duodenum K59.89
Atonia, atony, atonic
- cecum K59.89
- intestine K59.89
Stasis
- cecum K59.89
- colon K59.89
- ileocecal coil K59.89
- ileum K59.89
- intestinal K59.89
- jejunum K59.89
- rectal K59.89
Paralysis, paralytic (complete) (incomplete) G83.9
- digestive organs NEC K59.89
Disease, diseased — see also Syndrome
- intestine K63.9
  - functional K59.9
    - specified NEC K59.89
Spasm (s) , spastic, spasticity R25.2
- duodenum K59.89
Irritable, irritability R45.4
- duodenum K59.89
- ileum K59.89
- rectum K59.89
- jejunum K59.89
Dyskinesia G24.9
- intestinal K59.89
Dyspepsia R10.13
- intestinal K59.89
Hyperemia (acute) (passive) R68.89
- enteric K59.89
- intestine K59.89
Syndrome — see also Disease
- splenic
  - flexure K59.89
- hepatic flexure K59.89
- König's K59.89
Hypofunction
- intestinal K59.89
Hypomotility
- intestine K59.89
Ileus (bowel) (colon) (inhibitory) (intestine) K56.7
- myxedema K59.89
Immobile, immobility
- intestine K59.89
Pseudo-obstruction intestine (acute) (chronic) (idiopathic) (intermittent secondary) (primary) K59.89

Alongside this code 1 same parent — K59.8

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.