Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Mon, Wed, Fri
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
Effective August 18, 2014
|Gestation Time, Age
|Premature (26-28 weeks)||20 - 105 ng/dL|
|Premature (29-33 weeks)||Not Established|
|Premature (34-36 weeks)||28 - 78 ng/dL|
|Full Term Newborn||Elevated at birth; decreases to
7- 49 ng/dL during first week
|1-11 months||7- 49 ng/dL|
|Prepubertal children||Less than or equal to 34 ng/dL|
|Adults||Less than or equal to 19 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|