Sign in →

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)