Varies by lab: 30-50, the trend is to recommend more. Always ask your your md to be sure your total condition is taken into account.
Answered 12/16/2014
5.6k views
A doctor has provided 1 answer
6 doctors weighed in across 3 answers
5 doctors weighed in across 3 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question