K58.9
Irritable bowel syndrome, unspecified
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
Irritable bowel syndrome NOS
irritable colon spastic colon
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 K58.9
FY 2026 ›Find K58.9 in the alphabetic index
11 index paths lead to this code
- Colic › mucous
- Colitis › spastic
- Hypermobility, hypermotility › ileum
- Hypermobility, hypermotility › intestine
- Irritable, irritability › bowel
- Irritable, irritability › without diarrhea
- Irritable, irritability › colon
- Spasm, spastic, spasticity › colon
- Spasm, spastic, spasticity › intestinal
- Spasm, spastic, spasticity › sigmoid
- Syndrome › irritable › bowel