Testosterone, Total, MS
Order Code:
TESTTL
Test Summary
Helpful in assessing testicular function in male and managing hirsutism, virilization in females.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Centrifuge tube and transfer serum into a plastic pour off tube.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 21 days
- Frozen: 2 years
Limitations
N/A
Other Acceptable Specimens
1 mL plasma collected in sodium or lithium heparin (green-top) tube
Unacceptable Specimens
Gross hemolysis • Gross lipemia
Order Code
TESTTL
EPIC (Premier) Code
LAB3706
Includes
N/A
CPT Code
- 84403
Billing Code
- 670708
CPT Statement
Methodology
Chromatography/Mass Spectrometry
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153
14225 Newbrook Drive
Chantilly VA, 20153
Department
Reference Testing
Reference Range
| Age | Males (ng/dL) | Females (ng/dL) |
| Cord Blood* | 17-61 | 16-44 |
| 1-10 Days* | ≤187 | ≤24 |
| 11-30 Days | Not established | Not established |
| 1-2 Months* | 72-344 | ≤17 |
| 3-4 Months* | ≤201 | ≤12 |
| 5-6 Months* | ≤59 | ≤13 |
| 7-11 Months* | ≤16 | ≤11 |
| 1-5 Years | ≤5 | ≤8 |
| 6-7 Years | ≤25 | ≤20 |
| 8-10 Years | ≤42 | ≤35 |
| 11 Years | ≤260 | ≤40 |
| 12-13 Years | ≤420 | ≤40 |
| 14-17 Years | ≤1000 | ≤40 |
| ≥18 Years | 250-1100 | 2-45 |
Setup Schedule / Expected Turnaround Time
Daily; Report available: 4 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Centrifuge tube and transfer serum into a plastic pour off tube.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 21 days
- Frozen: 2 years
Limitations
N/A
Other Acceptable Specimens
1 mL plasma collected in sodium or lithium heparin (green-top) tube
Unacceptable Specimens
Gross hemolysis • Gross lipemia
Result Information
Methodology
Chromatography/Mass Spectrometry
Testing Laboratory
N/A
Reference Range
| Age | Males (ng/dL) | Females (ng/dL) |
| Cord Blood* | 17-61 | 16-44 |
| 1-10 Days* | ≤187 | ≤24 |
| 11-30 Days | Not established | Not established |
| 1-2 Months* | 72-344 | ≤17 |
| 3-4 Months* | ≤201 | ≤12 |
| 5-6 Months* | ≤59 | ≤13 |
| 7-11 Months* | ≤16 | ≤11 |
| 1-5 Years | ≤5 | ≤8 |
| 6-7 Years | ≤25 | ≤20 |
| 8-10 Years | ≤42 | ≤35 |
| 11 Years | ≤260 | ≤40 |
| 12-13 Years | ≤420 | ≤40 |
| 14-17 Years | ≤1000 | ≤40 |
| ≥18 Years | 250-1100 | 2-45 |
Setup Schedule / Expected Turnaround Time
Daily; Report available: 4 days