40550:TESTOSTERONE, TOTAL, SERUM

Author PeaceHealth Laboratories Modified by 07.04.2023

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40550:TESTOSTERONE, TOTAL, SERUM
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.

Reference Range:

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