The patient was admitted with diabetic nephropathy. She was diagnosed with type II diabetes five years ago and uses oral antidiabetic drugs daily. The ICD-10-CM diagnosis codes should be reported in this sequence.

a) type II diabetes code + nephropathy code + control using oral antidiabetic drug code
b) secondary diabetes code + nephropathy code
c) type II diabetes with nephropathy combination code + control using oral antidiabetic drug code
d) type II diabetes code + nephropathy code