ICD10BillableValid for clinical use
ICD-10 Code K63.9: Disease of intestine, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).
When is it used?
- May be used when a clinician documents disease of intestine, unspecified in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
11Diseases of the digestive system (K00-K95)
block
K55-K64Other diseases of intestines
category
K63Other diseases of intestine
currentK63
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
GastroenterologistGeneral Physician
Related codes
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 309615009high
Bowel problem
Source: SNOMED International ICD-10 map
SNOMED_CT 1145043002high
Cecal mass
Source: SNOMED International ICD-10 map
SNOMED_CT 67401000119103high
Colonic lesion
Source: SNOMED International ICD-10 map
SNOMED_CT 128525008high
Disorder of caecum
Source: SNOMED International ICD-10 map
SNOMED_CT 128524007high
Disorder of colon
Source: SNOMED International ICD-10 map
SNOMED_CT 312895004high
Disorder of ileum
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
K63.9
Common synonyms
Disease of intestine, unspecifiedDisease of intestine
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.