| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Testosterone, Total, MS
MessageDo not collect in SST
Test Code
TESTOST MS
Quest Code
15983
Alias/See Also
Testosterone for Pediatric and Females
CPT Codes
84403
Preferred Specimen
1.0 mL serum collected in a red-top tube (no gel)
Minimum Volume
0.5 mL serum collected in a red-top tube (no gel)
Other Acceptable Specimens
Plasma collected in: Sodium heparin (green-top) tube or lithium heparin (green-top) tube
Instructions
Specify age and sex on test request form
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 7 days
Refrigerated: 21 days
Frozen: 2 years
Refrigerated: 21 days
Frozen: 2 years
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Serum separator tube (SST)
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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Night Sets up 7 days a week.
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 |
Clinical Significance
Helpful in assessing testicular function in male and managing hirsutism, virilization in females.
Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042
