Test Overview
Method
Competitive binding immunoassay
Method Description
Immunoassay and calculation after ammonium sulfate precipitation.
Result Included
Total Testosterone; Bioavailable Testosterone
Specimen
Specimen Type
SerumVolume
Sample Volume
2 mL
Collection & Handling
Handling Information
Store and send frozen.
Stability
| Ambient | Refrigerated | Frozen |
|---|---|---|
| 4 hours | 4 days | 1 month |
Rejection Criteria
| Criteria | Specification |
|---|---|
| Hemolysis | Gross |
| Lipemia | Gross |
Performance & Interpretation
Turnaround Time
10 days
Results
Name
Units
Reference Range
Conversion
-
Total Testosteronenmol/LMales (Age: 5th - 95th percentiles, nmol/L)
0 - 1 year: 0 - 15.0
1 - 9 years: 0 - 0.4
9 - 10 years: 0 - 15.0
11 - 12 years: 2.2 - 27.0
13 - 14 years: 6.2 - 27.0
14 - 18 years: 6.5 - 31.0
19 - 49 years: 8.6 - 30.0
≥50 years: 6.6 - 26.0
Females (Age: 5th - 95th percentiles, nmol/L)
<10 years: 0 - 0.3
10 - 11 years: 0 - 0.4
12 - 13 years: 0 - 0.9
13 - 14 years: 0 - 1.0
15 - 18 years: 0.2 - 1.5
19 - 49 years: 0.3 - 1.8
≥50 years: 0.1 - 1.5ng/dL x 0.0347 -
Bioavailable Testosteronenmol/LMale: 2.0 - 8.6
Female: 0.00 - 0.20ng/dL x 0.0347
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| BIOTEST | Testosterone - Total | 3404 | nmol/L |
| Testosterone - Bioavail | 3405 | nmol/L |
Test Version
Last Updated
2020-02-27