40550:TESTOSTERONE, TOTAL, SERUM
Author PeaceHealth Laboratories
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| Methodology: |
Chemiluminescent Immunoassay (CLIA) |
| Edit Date: |
12/8/2009 |
| Performed: |
Daily |
| Released: |
Same day |
| CPT Code: |
84403 |
| Specimen Collection Details |
| Collection: |
One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube. Draw specimen between 0600 and 1000 if possible, as testosterone levels vary throughout the day. |
| Handling: |
Allow to clot, centrifuge and separate serum from cells within 2 hours. Refrigerate. Freeze at -20° if specimen cannot be assayed within 7 days. Allow no more than one freeze/thaw cycle. If multiple tests are ordered, send a separate specimen for this test. |
| Stability: |
7 days refrigerated at 2-8° C, or 2 months frozen at -20° C. |
| Standard Volume: |
1 mL serum. |
| Minimum Volume: |
0.5 mL serum. |
| Transport: |
Refrigerated, or frozen on dry ice. |
| Comments: |
For testing on patients less than 1 year of age, see Testosterone, Women and Children (87145). |
| Rejection Criteria: |
Specimen frozen and thawed more than once. |
| Serum Testosterone (ng/dL) |
|
Age |
Male |
Age |
Female |
|
1-9 years |
<10 |
1-9 years |
<15 |
|
10-11 years |
<10-57 |
10-11 years |
<10-42 |
|
12-13 years |
<10-747 |
12-13 years |
<10-64 |
|
14-15 years |
33-585 |
14-15 years |
<10-49 |
|
16-17 years |
185-886 |
16-17 years |
<10-63 |
|
18-39 years |
400-1080 |
18-40 years |
15-70 |
|
40-59 years |
350-890 |
41-51 years |
<10-70 |
|
≥ 60 years |
350-720 |
Postmenopausal |
<10-50 |
|
Tanner Stage I |
<20 |
Tanner Stage I |
<17 |
|
Tanner Stage II |
<10-149 |
Tanner Stage II |
<10-39 |
|
Tanner Stage III |
<10-762 |
Tanner Stage III |
10-60 |
|
Tanner Stage IV |
164-854 |
Tanner Stage IV |
<10-63 |
|
Tanner Stage V |
194-783 |
Tanner Stage V |
10-60 |
| |