Testosterone, Free, Direct With Total Testosterone, LC/MS-MS

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Category:

Turnaround Time: 4 - 6 days
CPT Code: 84402, 84403
Test Type: 2 mL Serum
Stability Time:

Temperature

Period

Room temperature

7 days

Refrigerated

7 days

Frozen

14 days

Freeze/thaw cycles

Stable x3

Overview:

Evaluate hirsutism and masculinization in women; evaluate testicular function in clinical states in which testosterone-binding proteins may be altered (obesity, cirrhosis, thyroid disorders).

This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.

Collection Details:

Collection Instructions:

State patient's age and sex on the test request form.

Red-top tube or gel-barrier tube.

Serum should be transferred from cells within one hour of collection and transferred to a plastic transport tube.

Refrigerate.