In the ICD-10 codes, a decimal is mandatory after which digit?

Medications that inhibit the sympathetic nervous system are known as:

A) sympathomimetics. B) cholinergics. C) sympatholytics. D) anticholinergics.

Left axis deviation is between

A) 0 and +90 degrees. B) 0 and -90 degrees. C) +90 and 180 degrees. D) -90 and 180 degrees.