Testosterone by LC/MS/MS, Females or Children TSTLC

Method(s) Liquid Chromatography-Tandem Mass Spectrometry
Specimen Required
Collect

One 5 mL gold (SST) top tube.

Transport

0.5 mL serum at 2-8ºC. (Min: 0.2 mL)

Remarks

Specimen should be collected between 6 and 10 a.m.

Stability

Ambient: 24 hours; Refrigerated: 1 week (3 days in contact with separator gel). Frozen storage is not recommended.

Schedule Mon, Thurs; reported Tues, Fri
Billing Code 1010457
CPTCode 84403
Notes This test is suggested for women and children due to the improved sensitivity of LC/MS/MS for analysis of testosterone.
Preferred Specimen Collection Device(s)
Reference Interval
FemaleMale
Premature (26-28 weeks): 5-16 ng/dL
Premature (31-35 weeks): 5-22 ng/dL
Newborn: 20-64 ng/dL
1-5 months: Less than 20 ng/dL
6-24 months: Less than 9 ng/dL
2-3 years: Less than 20 ng/dL
4-5 years: Less than 30 ng/dL
6-7 years: Less than 7 ng/dL
8-9 years: 1-11 ng/dL
10-11 years: 3-32 ng/dL
12-13 years: 6-50 ng/dL
14-15 years: 6-52 ng/dL
16-17 years: 9-58 ng/dL
18-59 years: 9-55 ng/dL
60 years and older: 5-32 ng/dL
Postmenopausal: 5-32 ng/dL
Tanner Stage I: 2-17 ng/dL
Tanner Stage II: 5-40 ng/dL
Tanner Stage III: 10-63 ng/dL
Tanner Stage IV-V: 11-62 ng/dL
Premature (26-28 weeks): 59-125 ng/dL
Premature (31-35 weeks): 37-198 ng/dL
Newborn: 75-400 ng/dL
1-5 months: 14-363 ng/dL
6-24 months: Less than 37 ng/dL
2-3 years: Less than 15 ng/dL
4-5 years: Less than 19 ng/dL
6-7 years: Less than 13 ng/dL
8-9 years: 2-8 ng/dL
10-11 years: 2-165 ng/dL
12-13 years: 3-619 ng/dL
14-15 years: 31-733 ng/dL
16-17 years: 158-826 ng/dL
18-39 years: 300-1080 ng/dL
40-59 years: 300-890 ng/dL
60 years and older: 300-720 ng/dL
Tanner Stage I: 2-15 ng/dL
Tanner Stage II: 3-303 ng/dL
Tanner Stage III: 10-851 ng/dL
Tanner Stage IV-V: 162-847 ng/dL
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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