The patient is a 44-year-old female who had a bone marrow transplant 3 years ago. She has had chronic graft-versus-host disease and presents to the hospital with abdominal pain, diarrhea, vomiting, and fever. She is diagnosed with bone marrow transplant failure and graft-versus-host disease. The graft-versus-host disease is now in an acute phase and she is being admitted for IV high-dose corticosteroids. What is the coding and sequencing for this case?
A. D89.812, T86.02
B. T86.831, D89.813
C. T86.831, D89.812
D. T86.02, D89.812