K59
Non-billableOther functional intestinal disorders
Other functional intestinal disorders
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •functional disorders of stomachK31
Child Codes (7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other functional intestinal disorders?
The ICD-10-CM code for other functional intestinal disorders is K59. The full clinical description is "Other functional intestinal disorders". K59 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K59 mean?
ICD-10-CM code K59 represents “Other functional intestinal disorders”. It is classified under Chapter 11: Diseases of the Digestive System and is a non-billable header code. Use a more specific child code for billing purposes.
Is K59 a billable code?
No, K59 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under K59.
What chapter is K59 in?
K59 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K59?
K59 has Excludes1 notes indicating codes that cannot be used together with it, including: change in bowel habit NOS (R19.4); intestinal malabsorption (K90.-); psychogenic intestinal disorders (F45.8).
What are the subcategories under K59?
K59 has 7 child codes, including: K59.0 (Constipation), K59.1 (Functional diarrhea), K59.2 (Neurogenic bowel, not elsewhere classified), K59.3 (Megacolon, not elsewhere classified), and 3 more.
What are the UMLS CUIs for K59?
K59 is linked to 1 UMLS Concept Unique Identifier: C0341089. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K59 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other functional intestinal disorders affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K59?
K59 maps to the ICD-11 code: DD91.Y (Other specified irritable bowel syndrome or functional bowel disorders).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.