Specimen Requirements

Title

TESTOSTERONE, FREE, BIOAVAILABLE AND TOTAL

Specimen Requirement

Includes: Testosterone, Total, Testosterone Free – Calculated; Testosterone, Bioavailable – Calculated, Sex Hormone Binding Globulin; Albumin.

1-plain red top tube/1.5mL min serum. Spin, separate, refrigerate and label “serum”.

Methodology

Stability

Room Temp 7 days; Refrigerated 21 days; Frozen 60 days

Reference Range

By Report*

Turnaround

4-6 days

Clinical Use

Test Code

TFBTW