Test Code TESF / 18944-Q TESTOSTERONE, FREE
Additional Codes
Software | Test Code |
---|---|
Label Text | TESF |
EPIC | LAB20148 |
Quest Laboratories | 18944 |
Performing Laboratory
Quest Diagnostics
Method Name
Immunochemiluminometric Assay (ICMA)
Liquid Chromatography-Tandem Mass Spectrometry (LC-MC/MS)
Spectrometry
Reference Values
Adult:
Males (pg/mL):
18-69 Years: 46.0-224.0
70-89 Years: 6.0-73.0
Females (pg/mL):
18-69 Years: 0.2-5.0
70-89 Years: 0.3-5.0
Pediatric Males (pg/mL):
<1 Year Not available
1-10.9 Years: =1.3
11-11.9 Years: =1.3
12-13.9 Years: =64
14-17.9 Years: 4.0-100.0
Pediatric Females (pg/mL):
<1 Year: Not available
1-10.9 Years: =1.5
11-11.9 Years: =1.5
12-13.9 Years: =1.5
14-17.9 Years: =3.6
Days and Times Test Performed
Monday through Friday
Specimen Type
Serum
Preferred Container
Red Top Tube
Preferred Volume
Serum: 2.8 mL (Red Top Tube)
Minimum Volume
Serum: 1.3 mL (Red Top Tube)
Specimen Collection and Handling
Spin specimen, separate from clot and send at ambient temperature in a screw-capped, plastic vial.
Specify age and sex on test request form.
Specimen Stability Information
Specimen Type: Serum
Frozen: 2 Years
Refrigerated: 7 Days
Room Temp: 7 Days
Add On Capable
Contact Reference Lab – If add-on can never be done, report the test to the Administrative Analyst
CPT Code Information
CPT Code |
CPT Description |
CPT Disclaimer |
---|---|---|
84402 | Testosterone, Free, Quantitative |
Performing Laboratory Location
Quest Diagnostics
Rejection Information
Gross hemolysis, Grossly lipemic, Serum Separator Tube (SST)