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Testosterone,Total

Item Value
Approval req'd? No
Available Stat? No
Test code TTES
Test group Testosterone
Performed by China Basin Chemistry
In House Availability Monday and Thursday (day shift)
Method Chemiluminescent immunoassay (Siemens Centaur)
Container type Gold top
Amount to Collect 2 mL blood
Sample type Serum
Preferred volume 1 mL serum
Min. Volume 0.3 mL serum
Processing notes Refrigerate
Units ng/dL
Normal range Males:
20-39 years 241-827 ng/dL
40-89 years 141-703 ng/dL


Females:
≥ 20 years < 77 ng/dL


Male reference range for the 20-39 age group was adopted from the reagent vendor performed studies and verified by running blood donor samples (excluding autologous donors) collected from the UCSF Blood Donor Center.

Male reference range for the 40-89 ages group was adopted from Endocrine Abstracts 2006 12:104 and verified by running blood donor samples (excluding autologous donors) collected from the UCSF Blood Donor Center.

Female reference range was adopted from vendor performed studies and verified by running female donor samples (excluding autologous donors) collected from the UCSF Blood Donor Center
Turn around times 1-4 days
Additional information This assay is performed in-house and is suitable for use in adult patients to assess general endocrine function.

To convert ng/dL to nmol/L (SI units) multiply by 0.0347.

For pediatric patients see entry for Testosterone, Ultrasensitive
LOINC code 49041-7
Last Updated 5/1/2011 6:02:34 PM
Entry Number 890
Lab Procedure Link Click here for procedure
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