K91.89

K91.89: Other postprocedural complications and disorders of digestive system

Billable / specific codeICD-10-CM

K91.89 is a billable, specific ICD-10-CM code for other postprocedural complications and disorders of digestive system. It is valid for submission on a claim.

Check K91.89 with the rest of the claim: free scrubber

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.

postprocedural retroperitoneal abscess (K68.11)

Use additional code

Add a secondary code to capture the detail described below.

code, if applicable, to further specify disorder

Excludes2 inherited from the categories above K91.89

Not part of this code, but both may be coded when both are present.

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

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)

Risk adjustment

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

Medicare coverage

K91.89 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55937Billing and Coding: Diagnostic Colonoscopy
A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
A56421Billing and Coding: CT of the Abdomen and Pelvis

Alphabetic index entries that lead here

Difficult, difficulty›mechanical, gastroduodenal stoma
Ileus›postoperative
Parotitis, parotiditis›postoperative
Parotitis, parotiditis›surgical
Syndrome›afferent loop NEC
Syndrome›gastrojejunal loop obstruction
Syndrome›post-polypectomy coagulation
Anastomosis›intestinal›complicated NEC
Complication›anastomosis›intestinal NEC(internal)
Diarrhea, diarrheal›functional›following gastrointestinal surgery
Stricture›bile duct›postoperative
Complication›gastrointestinal›postoperative›specified NEC

Code history

Unchanged in every release from FY2024 to FY2027.