Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Mon, Wed, Fri
New York DOH Approval Status
A morning specimen is preferred.
Serum separator tube. Also acceptable: Plain red, pink (K2EDTA), plasma separator tube, green (sodium heparin), or green (lithium heparin).
Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Refrigerated. Also acceptable: Frozen.
Grossly hemolyzed specimens.
After separation from cells: Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 6 months.
|Gestation Time, Age||Reference Interval|
|Premature (26-28 weeks)||235 - 1108 ng/dL|
|Premature (29-30 weeks)||Not Established|
|Premature (31-35 weeks)||150 - 1700 ng/dL|
|Full Term Newborn, 1-7 days||70 - 850 ng/dL|
|8-29 days||Not Established|
|30 days-11 months||80 - 1500 ng/dL|
|Age, Draw Time||Reference Interval|
|1-16 years, morning||135 - 1860 ng/dL|
|1-16 years, evening||70 - 620 ng/dL|
|17 years and older, morning||130 - 820 ng/dL|
|17 years and older, evening||60 - 220 ng/dL|
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
|Component Test Code*||Component Chart Name||LOINC|