TESTOSTERONE, TOTAL

Message

Centrifuge within 2 hours of collection.

Tanner stage reference ranges can be found in Result Interpretation

Test Code

TESTN

CPT Codes
84403

Preferred Specimen

1 Gold tube (gel separator)

Minimum Volume

0.1 mL

Other Acceptable Specimens

Reference ranges are based on specimen type and may be inaccurate for plasma samples.

Instructions

Centrifuge for complete separation of serum and red cells within 2 hours.

Transport Temperature

Refrigerate

Specimen Stability

2-8°C up to 7 days
15-30°C up to 8 hours
Frozen samples are stable

Methodology

Chemiluminescent immunoassay

Setup Schedule

M, T, W, Th, F, Sa, Sun

Report Available

Within 24 hours of receipt at the performing laboratory.

Reference Range

Male: 175 - 781 ng/dL

Female: 10 - 75 ng/dL

Adolescent reference ranges are available characterized by age or Tanner Stage:

Testosterone, Total
(Ages 17 years and younger)
Age	Male (ng/dL)	Female (ng/dL)
1-5 months	1-177	1-5
6-11 months	2-7	2-5
1-5 years	2-25	2-10
6-9 years	3-30	2-20
10-11 years	5-50	5-25
12-14 years	10-572	10-40
15-17 years	220-800	5-40

Testosterone, Total
Tanner Stage
Male Tanner Stage/Age	Male (ng/dL)	Female Tanner Stage/Age	Female (ng/dL)
1 (<9.8y)	<3-10	1 (<9.2y)	<3-10
2 (9.8-14.5y)	18-150	2 (9.2-13.7y)	7-28
3 (10.7-15.4y)	100-320	3 (10.0-14.4y)	15-35
4 (11.8-16.2y)	200-620	4 (10.7-15.6y)	13-32
5 (12.8-17.3y)	350-970	5 (11.8-18.6y)	20-38

References:
* Pediatric Reference Ranges. Steven J. Soldin, Carlo Brugnara, and Edward C. Wong
AACC Press, 6th Edition, 2011

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NCHB2 (Chemistry, Beckman DxI)

Last Updated: June 9, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.