ICD-10-CM code Q03 Congenital hydrocephalus contains an Excludes1 note for acquired hydrocephalus (G91.-). Thus, code G91.- __________

a. can be reported with a category Q03 code due to interpretation of the Excludes1 note
b. may be reported with a code from category Q03 if documentation justifies both codes
c. is never reported with a code from category Q03 because of the Excludes1 note
d. results in coders submitting a physician query to request documentation clarification

c