The query “DHT (5-ALPHA DIHYDROTESTOSTERONE) (OS) (DHTESTO) TEST” refers to a blood test measuring Dihydrotestosterone (DHT) levels, an important male hormone (androgen) crucial for male development, hair growth, and prostate health, used to diagnose hormonal issues like baldness, precocious puberty, low libido, or excess hair in females (hirsutism), often monitored during treatments like prostate cancer therapy. “(OS)” likely means “Oral/Serum” or just refers to the sample type (serum), while “DHTESTO” is a lab code for the test