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HelpTest Code TEST Testosterone, Total, Serum
Additional Codes
LAB124
Collection Method
Venous Collection
Minimum Volume
0.5ml
Container
Lt Green / Plasma Separator / Lithium Heparin
Acceptable Specimens
Serum:
- Gold Top SST
- Red Top
Plasma:
- Light Geen Top (Lithium heparin)
Reference or Target Ranges
| Age | Male | Female |
| <18 years | Reference Range Not Established | Reference Range Not Established |
| 18 to 49 years | 249 - 836 | 8.0 - 48 |
| >50 years | 193 - 740 | 3.0 - 41 |
Reportable Units
ng/dl
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold | 600 mg/dL |
| Icterus Threshold | 30 mg/dL |
| Lipemia Threshold | 1000 mg/dL |
| Other | QNS, contaminated, improperly Labeled, improper specimen type |
Specimen Stability
| Ambient | 2 hours |
| Refrigerated (4°C to 8°C) | 7 days |
| Frozen(-40°C to 0°C) | 6 months |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Routine: 4 hours |
| Stat Availability | No |
| Performing Bench | UH Chemistry |
| Methodology/Method Description | Roche Cobas |
CPT Codes
84403
Last review/edit date
2025