Synonyms
1230101205 | 84403, 84402
Specimen Collection
Quick Collect
+S/PO/R
Collection Instructions
Specimen Collection: Blood
Container(s):
CHW: Red top (no additive, PREFERRED), Gold top (SST-Gel, acceptable)
Preferred Volume to Collect: 6.0 mL
Minimum Volume to Collect: 3.0 mL
Neonate Volume to Collect: 3.0 mL
Capillary collect ok? Yes
Microtainer acceptable? Yes
Collection Instructions:
- After collection, gently invert tube 8-10 times.
- Specimen should be processed within 2 hours – See Processing Instructions.
Processing Instructions
Processing Instructions (Laboratory, Outpatient or Off-site collection)
- Processed Specimen: Serum
- Centrifuge/Spin: Yes
- Aliquot: Yes
- Processing Instructions:
- Gold or Red Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
- Minimum volume: 1.5 mL
- Transport Temperature: Refrigerate
Specimen Stability and Storage
Ambient: 72 hours
Refrigerate: 7 days
Frozen: 14 days
Laboratory Retention: 7 days
Reference Range
Free Testosterone
Male
16 Years – 150 Years: 9 – 30 ng/dL
Female
16 Years – 150 Years: 0.3 – 1.9 ng/dL
Total Testosterone.
Male
0 Minutes – 6 Months: 75 – 400 ng/dL
6 Months – 10 Years: 0 – 20 ng/dL
10 Years – 12 Years: 0 – 130 ng/dL
12 Years – 14 Years: 0 – 800 ng/dL
14 Years – 15 Years: 0 – 1200 ng/dL
15 Years – 17 Years: 100 – 1200 ng/dL
17 Years – 19 Years: 300 – 1200 ng/dL
19 Years – 150 Years: 240 – 950 ng/dL
Female
0 Minutes – 6 Months: 20 – 80 ng/dL
6 Months – 10 Years: 0 – 20 ng/dL
10 Years – 12 Years: 0 – 44 ng/dL
12 Years – 17 Years: 0 – 75 ng/dL
17 Years – 19 Years: 20 – 75 ng/dL
19 Years – 150 Years: 8 – 60 ng/dL
Clinical Information
This test was developed and its performance characteristics determined by Spectrum Health Toxicology Laboratory. It has not been cleared or approved by the FDA. The laboratory is regulated under CLIA as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.
Performing Laboratory
Corewell Health Reference Laboratory, Grand Rapids, MI
Methodology
Liquid Chromatography-Mass Spectrometry
CPT Code
84403
84402
CDM Code
3018440302, 3018440201