NOTE: Simple Mass Spectrometry is not enough to determine dosage and purity of tested substance.
Tests done with GC/MS, LC/MS/MS or HPLC methodes are considered much more reliable!
Sources: [1, 2, 3, 4, 5]
unfortunately, my laboratory is only able to measure the testo value up to a maximum of 15 ng/dl. Meaningful enough with a standard value of max 7.54.
What were you running?