Functional intestinal disorder, unspecified
Billable / specific
K59.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from K59)
- certain infectious and parasitic diseases (A00-B99) (from K59)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from K59)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from K59)
- endocrine, nutritional and metabolic diseases (E00-E88) (from K59)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from K59)
- neoplasms (C00-D49) (from K59)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from K59)
- functional disorders of stomach (K31.-) (from K59)
Also known as
- Complaint, bowel, functional
- Complaint, intestine, functional
- Disease, diseased, bowel, functional
- Disease, diseased, colon, functional
- Disease, diseased, gastrointestinal, functional
- Disease, diseased, intestine, functional
- Disorder, intestine, intestinal, functional NEC
- Distress, intestinalNOS
- Dysfunction, colon
- Dysfunction, rectum
- Syndrome, functional, bowel
- Upset, intestinal
Parent code
- K59Other functional intestinal disordersHeader