| 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, LC/MS
Test Code70001
CPT Codes
84403
Preferred Specimen
serum
Minimum Volume
0.4
Instructions
"
State patient's age and sex on the test request form.
"
State patient's age and sex on the test request form.
"
Transport Container
"Red-top tube or gel-barrier tube
"
"
Transport Temperature
"Refrigerate
"
"
Specimen Stability
7 days
Methodology
"Liquid chromatography/tandem mass spectrometry (LC/MS-MS) "
Limitations
"
Drugs, including androgens and steroids, can decrease testosterone levels. Men with advanced prostate cancer often receive drugs that lower testosterone levels. Women receiving estrogen may have increased testosterone levels. Anticonvulsants, barbiturates, and clomiphene can cause testosterone levels to rise.
"
Drugs, including androgens and steroids, can decrease testosterone levels. Men with advanced prostate cancer often receive drugs that lower testosterone levels. Women receiving estrogen may have increased testosterone levels. Anticonvulsants, barbiturates, and clomiphene can cause testosterone levels to rise.
"
Reference Range
"
Premature (26-28 weeks) day 4
59.0-125.0
Premature (31-35 weeks) day 4
37.0-198.0
Newborns
75.0-400.0
1-7 months: Levels decrease rapidly the first week to 20.0-50.0 ng/dL, then increase to 60.0-400.0 ng/dL (mean = 190.0) betwee
Premature (26-28 weeks) day 4
59.0-125.0
Premature (31-35 weeks) day 4
37.0-198.0
Newborns
75.0-400.0
1-7 months: Levels decrease rapidly the first week to 20.0-50.0 ng/dL, then increase to 60.0-400.0 ng/dL (mean = 190.0) betwee
