A patient was discharged with the following diagnoses: "Cerebral artery occlusion, hemiparesis, and hypertension. The aphasia resolved before the patient was discharged." Which of the following code assignments would be appropriate for this case?

G81.90 Hemiparesis affecting unspecified side
G81.91 Hemiparesis affecting right dominant side
G81.92 Hemiparesis affecting left dominant side
G81.94 Hemiparesis affecting left nondominant side
I66.9 Cerebral artery occlusion unspecified, without
mention of cerebral infarction
I63.50 Cerebral artery occlusion unspecified with
cerebral infarction
I10 Hypertension
I50.9 Congestive heart failure
R47.01 Aphasia

a. I63.50, G81.94, R47.01, I10
b. I66.9, G81.90, R47.01, I10
c. I66.9, G81.91, I10
d. I66.9, G81.92, R47.01, I10