LABCORP Testosterone, Bioavailable w/ SHBG #500650 - Still a valid test code?

Test NameTestosterone, Free, Bioavailable and Total, Males (Adult), ImmunoassayOverview
Ordering Info

[h=4]CPT Code(s)[/b]82040, 84270, 84403
[h=4]Includes[/b]Albumin; Sex Hormone Binding Globulin (SHBG); Testosterone, Free and Bioavailable (calculated); Testosterone, Total, Males (Adult), Immunoassay
[h=4]Reference Range(s)[/b]
Testosterone, Total, Males (Adult), Immunoassay
Male250-827 ng/dL
FemaleNot applicable

Albumin3.6-5.1 g/dL

Sex Hormone Binding Globulin
AgeMale (nmol/L)Female (nmol/L)
<2 YearsNot establishedNot established
<9 Years32-15832-158
<13 Years20-16624-120
<17 Years20-8712-150
<55 Years10-5017-124
&#8805;55 Years22-7714-73

Free Testosterone
AgeMale (pg/mL)Female
18-69 Years46.0-224.0Not applicable
>69 Years6.0-73.0Not applicable
Bioavailable Testosterone
AgeMale (ng/dL)Female
18-69 Years110.0-575.0Not applicable
>69 Years15.0-150.0Not applicable

To view specimen requirements and codes please Select a regional laboratory.
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[h=2]Testosterone, Bioavailable, With Sex Hormone-binding Globulin[/b]

[h=3]Testing Details[/b]
[h=3]Specimen Requirement[/b]
[h=3]Clinical Information[/b]
Testing DetailsSpecimen RequirementClinical Information
Testing Details
Esoterix Test No.

500288


LabCorp Test No.

500650


CPT


84270; 84402; 84403


Methodology


See individual assays


Assay Schedule


M - F


Turnaround Time


3 - 5 days


Performing Location

Endocrine Sciences


Specimen Requirement
Esoterix Test No.

500288


LabCorp Test No.

500650


Collection


Separate serum within one hour; transfer into a plastic transport tube.


Specimen


Serum


Volume


2 mL


Minimum Volume (Pediatric Volume)


0.6 mL (Note: This volume does not allow for repeat testing.)


Container


Tiger-top (SST) tube


Storage Instructions


Ship frozen on dry ice.


Clinical Information
Esoterix Test No.

500288


LabCorp Test No.

500650


Test Includes


Testosterone, Bioavailable Testosterone,Sex Hormone-Binding Globulin (SHBG)


Synonyms


Bioavailable Testosterone


Assay Schedule: The specific day a specimen must be received in order to make the soonest available run. Please note the assay schedules are provided as general approximations for estimating turnaround times, but are subject to change without notice.

Result Turnaround Time: The ranges published for result turnaround time indicate the shortest possible turnaround time to the longest possible result turnaround time as determined by the assay schedule. Please note that the result turnaround times are provided as general approximations, do not include holiday closures and are subject to change without notice.

PLEASE NOTE: Test information on this website may not apply to Clinical Trials testing. If you have questions regarding Clinical Trials testing information please contact 877-788-8861, or visit the Clinical Trials website, www.labcorpclinicaltrials.com
 

hCG Mixing Calculator

HCG Mixing Protocol Calculator

TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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