K91.2: Postsurgical malabsorption, not elsewhere classified
K91.2 is a billable, specific ICD-10-CM code for postsurgical malabsorption, not elsewhere classified. It is valid for submission on a claim.
Check K91.2 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Postsurgical blind loop syndrome
Excludes2 inherited from the categories above K91.2
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
Other codes that can never be billed with K91.2
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
K91.2 is named in 14 Medicare coverage policies: 14 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
- A56798Billing and Coding: Vitamin D Assay Testing
- A56841Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed
- A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
Alphabetic index entries that lead here
- Tachyalimentation
- Malabsorption›postgastrectomy
- Malabsorption›postsurgical
- Malnutrition›following gastrointestinal surgery
- Complication›surgical procedure›malabsorption NEC(postsurgical)
- Malabsorption›syndrome›postsurgical
- Syndrome›blind loop›postsurgical
- Syndrome›malabsorption›postsurgical
- Complication›gastrointestinal›postoperative›malabsorption NEC
- Disorder›intestine, intestinal›carbohydrate absorption NEC›postoperative
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under K91
- K91.0Vomiting following gastrointestinal surgery
- K91.1Postgastric surgery syndromes
- K91.3Postprocedural intestinal obstruction
- K91.5Postcholecystectomy syndrome
- K91.6Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure
- K91.7Accidental puncture and laceration of a digestive system organ or structure during a procedure
- K91.8Other intraoperative and postprocedural complications and disorders of digestive system