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Patient Preparation
No special patient preparations required
Collection Method
Venous collection
Minimum Volume
1.0 mL
Container
Lt Green / Plasma Separator / Lithium Heparin
Preferred Specimen
Light Green Top (lithium heparin) plasma
Acceptable Specimen(s)
Serum:
- Gold top SST
- Red Top
Plasma:
- Lt Green Top
- Lavender (LAV) top
Reference or Target Ranges
|
Female Ranges: |
|
|
Age (0-50 years): |
8-35 ng/dL |
|
Age (50-100 years): |
<7 – 36 ng/dL |
|
Male Ranges: |
|
|
Age (0-50 years): |
197 - 670 ng/dL |
|
Age (50-100 years) |
188 - 684 ng/dL |
Reportable Units
ng/dL
Critical Value
Not defined for this assay
Reasons for Rejection
|
Hemolysis Threshold: |
500 mg/dL |
|
Icterus Threshold: |
15 mg/dL (conjugated) |
|
|
20 mg/dL (unconjugated) |
|
Lipemia Threshold: |
1000 mg/dL |
|
Other: |
QNS, contaminated, improperly labeled, improper specimen type |
Specimen Stability
|
Ambient |
48 Hours |
|
Refrigerated |
7 Days |
Performance Information
|
Days and Time Performed |
24/7 |
|
Expected Turn Around Time |
Stat: 1 Hour, Routine: 4 Hours |
|
Stat Availability |
Yes |
|
Performing Bench |
CRMC Chemistry |
|
Methodology/Method Description |
Atellica |
Additional Information / Important Notes
High doses of Biotin have been shown to interfere with this assay. If Biotin interence is suspected, please have patient discontinue Biotin for 24-48 hours and repeat test.
Methodology/Method Description
Atellica CH Analyzer
CPT Codes
84403