K59.9
Functional intestinal disorder, unspecified
Billable code
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Inherited from K59Other functional intestinal disorders
Inherited from chapter 11Diseases of the digestive system
Excludes 2
certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Official Guidelines for K59.9
FY 2026 ›Find K59.9 in the alphabetic index
12 index paths lead to this code
- Complaint › bowel, functional
- Complaint › intestine, functional
- Distress › intestinal NOS
- Dysfunction › colon
- Dysfunction › rectum
- Upset › intestinal
- Disease, diseased › bowel › functional
- Disease, diseased › colon › functional
- Disease, diseased › gastrointestinal › functional
- Disease, diseased › intestine › functional
- Disorder › intestine, intestinal › functional NEC
- Syndrome › functional › bowel