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December 2016 Texas Medicaid Provider Procedures Manual

Medical and Nursing Specialists, Physicians, and Physician Assistants Handbook : 9 Physician : 9.2 Services, Benefits, Limitations, and Prior Authorization : 9.2.47 Organ/Tissue Transplants : Intestinal Transplants
An intestinal transplant may be considered for clients who are dependent on parental nutrition and have compromised venous access, have had two or more episodes of central line sepsis, or who have begun to manifest progressive parental nutrition associated liver dysfunction. Procedure codes 44135 and 44136 must be prior authorized.
Small bowel transplantation is considered medically necessary in clients with irreversible intestinal failure including, but not limited to:
The prior authorization request must include documentation of irreversible intestinal failure with failed total parenteral nutrition (TPN) therapy. The client has experienced TPN failure if any one of the following criteria is met:
Thrombosis of major central venous channels (subclavian, jugular, or femoral veins). Thrombosis of two or more of these vessels is considered a life-threatening complication and TPN failure.
Frequent central line-related sepsis. Two or more episodes of central-line-induced systemic sepsis per year that require hospitalization are considered TPN failure. A single episode of central-line-related fungemia, septic shock, or acute respiratory distress syndrome is considered TPN failure.
Frequent episodes of severe dehydration despite TPN and intravenous fluid supplement. Under certain medical conditions, such as secretory diarrhea and nonconstructable gastrointestinal tract, the loss of combined gastrointestinal and pancreatobiliary secretions exceed the maximum intravenous infusion rates that can be tolerated by the cardiopulmonary system.
Diagnoses that indicate intestinal failure include, but are not limited to, the following:

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