I read somewhere the best things to check for are:
CBC
Chem-20
Complete Thyroid screen (T-3 uptake, Total T4, Free T4, total T3, Free T3, Free T4 index, TSH, TBG)
Prolactin
Total test
Free test
lh - leutenizing hormone - , FSH - follicle stimulating hormone -
If any advanced guy wants to look...