Here's what I've posted to a few other members ...
Total Testosterone Serum
Free & Bio Testosterone
SHBG
Estradiol (E2) Sensitive
Prolactin
DHT
Cortisol (4x Saliva Panel) ...
... ACTH (not always needed, but it will portrait the feedback loop productivity with the adrenals, and help if certain diseases are in question i.e., Addison's, Cushing's,)
... Aldosterone (Again, probably not on the 'standard' follow up requisition list, but something to consider if adrenal issues persists, and other variables like High BP is a factor, i.e., ruling out Conn Syndrome)
DHEA
Thyroid Panel ...
... -TSH, Free T4, Free T3, Reverse T3, Thyroid Antibodies (TPO, TgAb for Hashis and Graves)
Iron (TIBC & Saturation % if possible)
Ferritin
CBC w/Diff
Comprehensive Metabolic Panel
Lipid Panel
PSA
IGF-1
Vitamin D3 (essential with the effective management of SHBG, and much more!)
Vitamin B12