K50.913
BillableCrohn's disease, unspecified, with fistula
HCC Category Mapping
V28HCC 80 — Crohn's Disease
0.000V24HCC 35 — Inflammatory Bowel Disease
0.289ESRDHCC 35 — Inflammatory Bowel Disease
0.000RxHCCHCC 67 — Inflammatory Bowel Disease
0.000What This Code Means
Crohn's disease of unspecified location with fistula, an abnormal tunnel-like connection between intestinal segments or to other organs.
Coding Tips
- •Document the location and type of fistula (enterocutaneous, rectovaginal, etc.) if specified
- •Additional codes may be needed if the fistula has resulted in abscess formation
Clinical Significance
Crohn's disease, unspecified, with fistula indicates penetrating disease behavior at an unspecified location. Fistulas are a hallmark of Crohn's disease and their presence provides clinical clues about disease location. The fistula type (perianal, enteroenteric, etc.) often helps determine the affected bowel segment, making the unspecified site a query opportunity.
Documentation Requirements
- ✓Provider documentation of Crohn's disease with fistula formation
- ✓Type and location of fistula documented
- ✓Documentation that the primary disease site could not be determined
- ✓Diagnostic method confirming fistula
- ✓Treatment plan (medical and/or surgical)
Commonly Confused Codes
K50.013 — Crohn's disease of small intestine with fistula: small intestine specifiedK50.113 — Crohn's disease of large intestine with fistula: large intestine specifiedK50.813 — Crohn's disease of both sites with fistula: both sites specifiedK50.914 — Crohn's disease, unspecified, with abscess: abscess vs. fistulaK63.2 — Fistula of intestine: not attributed to Crohn's disease
Code Hierarchy
└K50Crohn's disease [regional enteritis]└K50.9Crohn's disease, unspecified└K50.91Crohn's disease, unspecified, with complications└K50.913Crohn's disease, unspecified, with fistula
└K50.913Crohn's disease, unspecified, with fistula