Graft-versus-host disease

**Code first:** - underlying cause, such as: - complications of transplanted organs and tissue (T86.-) - complications of blood transfusion (T80.89)

**Use additional code:** - code to identify associated manifestations, such as: - desquamative dermatitis (L30.8) - diarrhea (R19.7) - elevated bilirubin (R17) - hair loss (L65.9)