K90.2
BillableBlind loop syndrome, not elsewhere classified
HCC Category Mapping
RxHCCHCC 66 — Pancreatic Disease and Disorders
0.000What This Code Means
A condition where a surgically created or naturally occurring loop in the small intestine causes bacterial overgrowth and poor nutrient absorption, leading to digestive problems.
Coding Tips
- •Verify whether the blind loop is post-surgical or congenital before coding
- •Document any associated complications such as bacterial overgrowth or nutritional deficiencies for complete coding
Clinical Significance
Blind loop syndrome represents a serious malabsorption condition often resulting from surgical complications or anatomical abnormalities. This condition requires ongoing medical management and can lead to significant nutritional deficiencies and bacterial overgrowth complications.
Documentation Requirements
- ✓History of previous gastrointestinal surgery or anatomical abnormality
- ✓Evidence of bacterial overgrowth in small bowel
- ✓Symptoms of malabsorption including steatorrhea
- ✓Nutritional deficiencies, particularly B12 deficiency
- ✓Imaging studies showing blind loop or abnormal anatomy
- ✓Laboratory evidence of malabsorption
- ✓Response to antibiotic therapy
- ✓Exclusion of other malabsorption syndromes
Excludes 1 — Do NOT code together
Commonly Confused Codes
K91.2 — Postsurgical malabsorption is broader and includes other surgical causesK90.89 — Other intestinal malabsorption lacks the specific blind loop anatomyK63.2 — Fistula of intestine may cause similar symptoms but different pathophysiologyK90.83 — Intestinal failure represents more severe absorptive dysfunction
Code Hierarchy
└K90Intestinal malabsorption└K90.2Blind loop syndrome, not elsewhere classified
└K90.2Blind loop syndrome, not elsewhere classified