Other diseases of stomach and duodenum
Billable / specific
K31.89 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from K31)
- functional disorders of stomach
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from K31)
- certain infectious and parasitic diseases (A00-B99) (from K31)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from K31)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from K31)
- endocrine, nutritional and metabolic diseases (E00-E88) (from K31)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from K31)
- neoplasms (C00-D49) (from K31)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from K31)
- hiatus hernia (K44.-) (from K31)
- diabetic gastroparesis (E08.43, E09.43, E10.43, E11.43, E13.43) (from K31)
- diverticulum of duodenum (K57.00-K57.13) (from K31)
Also known as
- Achylia gastrica
- Atonia, atony, atonic, stomach
- Calculus, calculi, calculous, stomach
- Congestion, congestive, duodenum
- Congestion, congestive, stomach
- Contraction, contracture, contracted, hourglass, stomach
- Contraction, contracture, contracted, stomach
- Contraction, contracture, contracted, stomach, hourglass
- Deformity, duodenal bulb
- Deformity, duodenum, acquired
- Deformity, pylorus, acquired
- Deformity, stomach, acquired
- Degeneration, degenerative, stomach
- Dilatation, stomach
- Disease, diseased, duodenum, specified NEC
Parent code
- K31.8Other specified diseases of stomach and duodenumHeader