K90.1
BillableTropical sprue
HCC Category Mapping
RxHCCHCC 66 — Pancreatic Disease and Disorders
0.000What This Code Means
A malabsorption disorder occurring in tropical climates, characterized by chronic diarrhea and nutritional deficiencies due to intestinal inflammation.
Coding Tips
- •Document geographic location or travel history to tropical regions to support diagnosis
- •Often associated with nutritional deficiencies; code these separately if documented
Clinical Significance
Tropical sprue is a chronic malabsorption disorder that significantly impacts nutritional status and requires long-term management. This condition can lead to severe vitamin deficiencies, particularly B12 and folate, affecting multiple organ systems and increasing morbidity risk.
Documentation Requirements
- ✓History of residence or travel to tropical regions
- ✓Clinical symptoms including chronic diarrhea and steatorrhea
- ✓Evidence of malabsorption (weight loss, nutritional deficiencies)
- ✓Laboratory findings showing vitamin B12 or folate deficiency
- ✓Small bowel biopsy findings consistent with tropical sprue
- ✓Response to antibiotic therapy or nutritional supplementation
- ✓Duration of symptoms (typically chronic, lasting months)
- ✓Exclusion of other causes of malabsorption
Commonly Confused Codes
K90.0 — Celiac disease requires gluten sensitivity and specific histologic findingsK59.1 — Functional diarrhea lacks malabsorption component and nutritional deficienciesK90.9 — Unspecified malabsorption used when tropical sprue cannot be confirmedA07.1 — Giardiasis can cause similar symptoms but is parasitic infection