ICD-10-CM 2027
ICD-10 code for postsurgical malabsorption
Postsurgical malabsorption, not elsewhere classified
From the official ICD-10-CM alphabetic index entry “Malabsorption › postsurgical”. Page updated September 29, 2026.
About coding postsurgical malabsorption
The ICD-10-CM code for postsurgical malabsorption is K91.2 (Postsurgical malabsorption, not elsewhere classified).
Within K91 (intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified), K91.2 is specifically for postsurgical malabsorption, not elsewhere classified. Related codes cover vomiting following gastrointestinal surgery (K91.0), Postgastric surgery syndromes (K91.1), postprocedural intestinal obstruction (K91.3), Postcholecystectomy syndrome (K91.5), intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure (K91.6), accidental puncture and laceration of a digestive system organ or structure during a procedure (K91.7) and other intraoperative and postprocedural complications and disorders of digestive system (K91.8).
Don't report K91.2 together with the conditions in its Excludes1 note: malabsorption osteomalacia in adults (M83.2) and malabsorption osteoporosis, postsurgical (M80.8-, M81.8).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Don't confuse with (Excludes1 for K91.2)
Common questions about postsurgical malabsorption ICD-10 codes
What is the ICD-10 code for postsurgical malabsorption?
- K91.2 — Postsurgical malabsorption, not elsewhere classified.
Is K91.2 billable?
- Yes. K91.2 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K91.2 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K91.2 as a principal diagnosis.
Is K91.2 a CC or MCC?
- K91.2 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.