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Bioavailable Testosterone, Serum

Test ID: BIOTEST
Test
Specimen
Performance / Interpretation
Interface / Setup

Test

Method

Competitive binding immunoassay

Method Description

Immunoassay and calculation after ammonium sulfate precipitation.

Report Includes

Total Testosterone; Bioavailable Testosterone

Specimens

Serum

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

27-Feb-2020

Specimen

Specimens

Serum

Sample Volume

2 mL

Collection & Handling

Handling Information

Store and send frozen.

Stability

Ambient 4 hours
Refrigerated 4 days
Frozen 1 month

Rejection Criteria

Hemolysis Gross
Lipemia Gross

Test Version

27-Feb-2020

Performance / Interpretation

Method

Competitive binding immunoassay

Method Description

Immunoassay and calculation after ammonium sulfate precipitation.

Turnaround Time

10 days

Results

Name Units Reference Range Conversion Factor
Total Testosterone nmol/L
  • Males (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 - 1.5
 ng/dL x 0.0347
Bioavailable Testosterone nmol/L
  • Male: 2.0 - 8.6
  • Female: 0.00 - 0.20
 ng/dL x 0.0347

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

27-Feb-2020

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
BIOTEST 3404Testosterone - Total nmol/L
3405Testosterone - Bioavail nmol/L

Test Version

27-Feb-2020