Sign in →

Test Code LAB0206144 Testosterone, Total, Serum

Methodology

Chemiluminometric Immunoassay

Useful for evaluation of males with erectile dysfunction, gynecomastia, osteoporosis, infertility, delayed or precocious puberty, and for monitoring replacement therapy; women with hirsutism, virilization, and oligomenorrhea; and infants with ambiguous genitalia and/or virilizing syndromes.

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Specimen Type: Serum

Container/Tube:

Preferred: Serum gel or plain red top

Specimen Volume: 0.5 mL

Minimum Volume: 0.25 ml

Additional Information: Patient’s age and sex are required.

Collection Instructions:  Centrifuge within 1 hour of collection.  Serum or Plasma must be removed from gel for cells immediately after centrifugation.

Specimen Transport Temperature

Refrigerated

Reference Values

Males

<18 years: not established

18-70 years: 225-972 ng/dL

Females

<18 years: not established

>18 years: 5-62 ng/dL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

84403