Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
MnemonicUnique test identifier.
CORTC
MethodologyProcess(es) used to perform the test.
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
PerformedDays of the week the test is performed.
Mon, Wed, Fri
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
2-5 days
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
A morning specimen is preferred.
Collect
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.
Remarks
Stability
After separation from cells: Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 6 months.
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
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 DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
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)
NoteAdditional information related to the test.
Hotline History
N/A
CPT CodesThe American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* 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.
AliasesOther names that describe the test. Synonyms.
Corticosterone Quantitative by HPLC-MS/MS, Serum or Plasma
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