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Test Code LAB5316 TESTOSTERONE, TOTAL

Important Note

Reference ranges for pediactric patients population are not available for this test.

For patients < 21 yrs, alternatively order the Mayo Clinic test: Testosterone, Total, Mass Spectrometry, Serum

Specimen Type

Preferred Sample: Serum (SST, Gold, Tiger, Red Top-no gel)
Alternative Sample: Potassium EDTA

Processing Instructions

Spin specimens as soon as possible after clot formation.

Specimen Volume

1 mL

Minimum Volume

0.5 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Room temperature: 8 hours

Refrigerated: 7 days


 

Method

Chemiluminescent Microparticle Immunoassay (CMIA)

Reference Ranges

Male:

  • 21-49 years: 240.24 - 870.68 ng/dL
  • > 50 years: 220.91 - 715.81 ng/dL

Female:

  • 21-49 years: 13.84 - 53.35 ng/dL
  • > 50 years: 12.40 - 35.76 ng/dL

Critical Values: None

 

Reporting Limit

Reporting Range: 4.33 - 5000.00 ng/dL

Synonyms

TTST, LAB5316, ANDROGENS, TOTAL TESTOSTERONE

CPT Codes

84403

Interference

Hemolysis: 500mg/dL

Icterus: 20 mg/dL

Lipemia: 2000mg/dL