I’m pretty sure it would be B but it could also be D
Pretty confident that it is A, judging by that the word composition is used as a combination or a ratio of 2 things. Also none of the other options make sense.
a combination of specific etiologic factors is the answer.
The codes are for medical purpose on a form is a claim code that a biller can be repaid by when a provider submits the bill. Its just a billing code