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Specimen Collection Manual and Test Catalog

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TESTOSTERONE, FREE, BIOAVAILABLE AND TOTAL, MS

Geisinger Epic Procedure Code:  LAB1234    Geisinger Epic ID:  52861

SPECIMEN COLLECTION
Specimen type: 

Serum


Preferred collection container: 
Specimen required: 

2.8 ml serum; minimum 1.3 mL


Special notes: 

Serum separator tubes (SST) unacceptable.



SPECIMEN PROCESSING
Processing instructions: 

Centrifuge and aliquot.


Transport temperature: 

Room temperature.


Specimen stability: 

Room temperature: 7 days. Refrigerated: 28 days. Frozen: 28 days.


Rejection criteria: 

Serum separator tubes (SST) • Gross hemolysis • Gross lipemia



TEST DETAILS
CPT code(s):  82040, 84270, 84403
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Testosterone, Total, MS; Testosterone, Free; Testosterone, Bioavailable; Sex Hormone Binding Globulin (SHBG); Albumin


Methodology: 
Calculation
Chromatography/Mass Spectrometry
Immunochemiluminescence Assay
Spectrophotometry
Synonyms: 

Quest test code 14966 Testo Fr Bio


Clinical significance: 

Helpful in assessing testicular function in males and managing hirsutism, virilization in females.


Review Date:  12/19/2024

Performing Locations