LAB6412

Test Code

30740X

CPT Codes
84270

Preferred Specimen

0.7 mL serum

Minimum Volume

0.5 mL

Specimen Stability

Room temperature: 14 days
Refrigerated: 14 days
Frozen: 60 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Plasma

Methodology
Immunoassay (IA)

Setup Schedule

Set up: Sun-Sat; Report available: 2-3 days

Report Available

2-3 days

Reference Range

<3 Years	Not established
	Male	Female
3-9 Years	32-158 nmol/L	32-158 nmol/L
10-13 Years	20-166 nmol/L	24-120 nmol/L
14-17 Years	20-87 nmol/L	12-150 nmol/L
18-55 Years	10-50 nmol/L	17-124 nmol/L
>55 Years	22-77 nmol/L	14-73 nmol/L

Clinical Significance

Testosterone, dihydrotestosterone and estrogens circulate in serum bound to Sex Hormone Binding Globulin (SHBG). SHBG concentrations are increased in pregnancy, hyperthyroidism, cirrhosis, oral estrogen administration and by certain drugs. Concentrations are decreased by testosterone, hypothyroidism, Cushings syndrome, acromegaly and obesity.

Performing Laboratory
Quest Diagnostics Nichols Chantilly

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.