ICD-10-CM > K00-K95 > K90-K95 > K91 > K91.2 K91.2 Postsurgical malabsorption, not elsewhere classified Billable/Specific Copy Code Copy Description Applicable To Postsurgical blind loop syndrome Type 1 Excludes malabsorption osteomalacia in adults (M83.2)malabsorption osteoporosis, postsurgical (M80.8-, M81.8)