V58.6: Long-term (current) drug use
Long-term (current) prophylactic drug use
Excludes:
drug abuse (305.00-305.93)
drug abuse and dependence complicating pregnancy (648.3-648.4)
drug dependence (304.00-304.93)
hormone replacement therapy (postmenopausal) (V07.4)
use of agents affecting estrogen receptors and estrogen levels (V07.51-V07.59)