K91

K91: Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

Non-billable headerICD-10-CM

K91 is a non-billable header ICD-10-CM code for intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

complications of artificial opening of digestive system (K94.-)
complications of bariatric procedures (K95.-)
gastrojejunal ulcer (K28.-)
postprocedural (radiation) retroperitoneal abscess (K68.11)
radiation colitis (K52.0)
radiation gastroenteritis (K52.0)
radiation proctitis (K62.7)

Other codes that can never be billed with K91

Their own Excludes1 notes name this code, so the conflict is not listed above.

K56Paralytic ileus and intestinal obstruction without hernia
K72Hepatic failure, not elsewhere classified
K76.7Hepatorenal syndrome
K80Cholelithiasis
K82Other diseases of gallbladder
K83Other diseases of biliary tract
K90Intestinal malabsorption
K90.2Blind loop syndrome, not elsewhere classified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead K91

8 child codes. Green means billable.