87145:TESTOSTERONE, FEMALES AND CHILDREN
Author PeaceHealth Laboratories
 Print View Attached Docs: |
| Methodology: |
High Performance Liquid Chromatography / Tandem Mass Spectrometry (HPLC/MS/MS) |
| Edit Date: |
11/17/2010 |
| Performed: |
Daily |
| Released: |
1-4 days after setup at PeaceHealth Laboratories’ reference lab. |
| CPT Code: |
84403-90 |
| Specimen Collection Details |
| Collection: |
One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin). NOTE: Specimen should be collected between 6 a.m. and 10 a.m. |
| Handling: |
Allow to clot, centrifuge and immediately separate serum or plasma into a plastic vial. Refrigerate. |
| Stability: |
24 hours ambient, 7 days refrigerated, or 6 months frozen. |
| Standard Volume: |
1 mL serum or plasma |
| Minimum Volume: |
200 µL serum or plasma |
| Transport: |
Refrigerated. |
| Comments: |
This test is suggested for women and children due to an improved sensitivity of testosterone by LC-MS/MS. |
| Rejection Criteria: |
EDTA plasma. |
|
|
Female |
|
Male |
|
|
Premature (26-28 weeks)
|
5-16 ng/dL |
Premature (26-28 weeks)
|
59-125 ng/dL |
|
Premature (31-35 weeks)
|
5-22 ng/dL |
Premature (31-35 weeks) |
37-198 ng/dL |
|
Newborn |
20-64 ng/dL |
Newborn |
75-400 ng/dL |
|
1-7 months |
Levels decrease during the first month to less than 10 ng/dL and remain at this level until puberty.
|
1-7 months |
Levels decrease rapidly the first week to 20-50 ng/dL, and then increase to 60-400 ng/dL between 20-60 days. Levels then decline to pre-pubertal range levels of 3-10 ng/dL by seven months.
|
|
7-9 years |
Less than 15 ng/dL |
7-9 years |
Less than 9 ng/dL |
|
10-11 years |
2-42 ng/dL |
10-11 years |
2-57 ng/dL
|
|
12-13 years |
6-64 ng/dL |
12-13 years |
7-747 ng/dL
|
|
14-15 years |
9-49 ng/dL |
14-15 years |
33-585 ng/dL |
|
16-17 years |
8-63 ng/dL |
16-17 years |
185-886 ng/dL
|
|
18-30 years |
11-59 ng/dL
|
18-39 years |
300-1080 ng/dL
|
|
31-40 years |
11-56 ng/dL
|
40-59 years |
300-890 ng/dL
|
|
41-51 years |
9-55 ng/dL |
60 years and older |
300-720 ng/dL |
|
Postmenopausal |
6-25 ng/dL
|
|
|
|
Tanner Stage I |
Less than 17 ng/dL |
Tanner Stage I |
Less than 20 ng/dL
|
|
Tanner Stage II |
4-39 ng/dL
|
Tanner Stage II |
2-149 ng/dL |
|
Tanner Stage III |
10-60 ng/dL
|
Tanner Stage III |
7-762 ng/dL |
|
Tanner Stage IV |
8-63 ng/dL
|
Tanner Stage IV |
165-854 ng/dL |
|
Tanner Stage V |
10-60 ng/dL |
Tanner Stage V |
194-783 ng/dL |
|