K59.8
Header — not billableOther specified functional intestinal disorders
The ICD-10 code for other specified functional intestinal disorders is K59.8.
K59.8 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under K59.8
Related codes in this category
- K59.0Constipationnon-billable header
- K59.1Functional diarrhea
- K59.2Neurogenic bowel, not elsewhere classified
- K59.3Megacolon, not elsewhere classifiednon-billable header
- K59.4Anal spasm
- K59.9Functional intestinal disorder, unspecified
- K59.8Other specified functional intestinal disordersnon-billable header
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 56489