K91.1

K91.1: Postgastric surgery syndromes

Billable / specific codeICD-10-CM

K91.1 is a billable, specific ICD-10-CM code for postgastric surgery syndromes. It is valid for submission on a claim.

Check K91.1 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Dumping syndrome
Postgastrectomy syndrome
Postvagotomy syndrome

Excludes2 inherited from the categories above K91.1

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

K91.1 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55937Billing and Coding: Diagnostic Colonoscopy
A56421Billing and Coding: CT of the Abdomen and Pelvis
A57755Billing and Coding: Vitamin B<sub>12</sub> Injections
A58428Billing and Coding: Diagnostic Colonoscopy

Alphabetic index entries that lead here

Dumping syndrome(postgastrectomy)
Postgastrectomy dumping syndrome
Achlorhydria, achlorhydric›secondary to vagotomy
Diarrhea, diarrheal›postgastrectomy
Diarrhea, diarrheal›postvagotomy
Syndrome›dumping(postgastrectomy)
Syndrome›postgastrectomy(dumping)
Syndrome›postgastric surgery
Syndrome›postvagotomy
Complication›surgical procedure›dumping syndrome(postgastrectomy)
Complication›surgical procedure›postgastrectomy dumping syndrome
Complication›surgical procedure›postvagotomy syndrome

Code history

Unchanged in every release from FY2024 to FY2027.