Testosterone Total *

SIM

LAB124

CPT

84403 

Synonyms

Testosterone 

Specimen Type

Serum 

Container

Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma.

Collection Instructions

Volume

Volume: 1.0 mL
Minimum volume: 0.7mL (this does not allow for repeat testing) 

Additional Information

Testosterone testing is used to evaluate androgen excess or deficiency related to gonadal function, adrenal function, or tumor activity. 

Patient Preparation

Specimen Processing Instructions

If a red-top tube or plasma is used, transfer separated serum or plasma to a plastic transport tube.

Transport Requirements

Room Temperature

Specimen Stability

Room Temperature: 14 days

Rejection Criteria

Whole blood

Reference Range

Reference Range accompanies report

Critical Value

Test Includes

Total Testosterone 

Methodology

Electrochemiluminescence immunoassay (ECLIA) 

Testing Frequency

LCA

004226 

Reviewed By

Rhonda Crowe

Reviewed Date

3/1/23

Supplemental

* Denotes Reference Lab Test