T86.850
BillableIntestine transplant rejection
HCC Category Mapping
V28HCC 77 — Intestine Transplant Status/Complications
0.000V24HCC 186 — Major Organ Transplant or Replacement Status
0.910ESRDHCC 186 — Major Organ Transplant or Replacement Status
0.000RxHCCHCC 396 — Allograft Complications
0.000What This Code Means
The recipient's immune system attacks and rejects a transplanted intestine, causing it to fail.
Coding Tips
- •This code specifically indicates rejection of an intestinal transplant, which is an immune-mediated response
- •Document the timeframe of rejection (acute vs. chronic) if available, as this may affect clinical management
Clinical Significance
Intestinal transplant rejection represents an immunologic attack on the transplanted bowel, potentially leading to graft loss and life-threatening complications. This diagnosis requires immediate immunosuppressive therapy adjustment and intensive monitoring.
Documentation Requirements
- ✓Documentation of intestinal transplant procedure with date
- ✓Histologic evidence of rejection from biopsy
- ✓Clinical symptoms of rejection (diarrhea, abdominal pain, fever)
- ✓Laboratory evidence supporting rejection (inflammatory markers, absorption studies)
- ✓Immunosuppressive medication history and levels
- ✓Endoscopic findings if applicable
- ✓Provider assessment confirming rejection diagnosis
- ✓Treatment plan for rejection management
Commonly Confused Codes
T86.851 — intestine transplant failure (rejection vs functional failure)T86.852 — intestine transplant infection (immunologic vs infectious complication)K59.1 — diarrhea (transplant rejection vs other causes)Z94.82 — intestine transplant status (rejection vs stable status)T86.858 — other intestine transplant complications (rejection vs other complications)