Ordering Recommendation




Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry


Mon, Wed, Fri


2-5 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation

A morning specimen is preferred.


Serum separator tube. Also acceptable: Plain red, pink (K2EDTA), plasma separator tube, green (sodium heparin), or green (lithium heparin).

Specimen Preparation

Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)

Storage/Transport Temperature

Refrigerated. Also acceptable: Frozen.

Unacceptable Conditions

Grossly hemolyzed specimens.


After separation from cells: Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 6 months.

Reference Interval

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

Interpretive Data

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.

Compliance Category

Laboratory Developed Test (LDT)


Hotline History


CPT Codes



Component Test Code* Component Chart Name LOINC
2008457 Corticosterone, HPLC-MS/MS 2139-4
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.


Corticosterone Quantitative by HPLC-MS/MS, Serum or Plasma