After having a cerebrovascular (CVA) accident, Lorraine has been having difficulty in swallowing. The physician diagnosed this as a sequela of the CVA. Report this with code:
a) I69.321 Dysphasia following cerebral infarction
b) I69.991 Dysphagia following unspecified cerebrovascular disease
c) R13.10 Dysphagia, unspecified
d) I69.921 Dysphasia following unspecified cerebrovascular disease