Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Specimen should be collected between 8-10 a.m.
Serum separator tube, lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).
Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
After separation from cells: Ambient: 1 week; Refrigerated: 1 week; Frozen: 6 months
|Adult Reference Ranges for Cortisol, Serum, µg/dL|
|Stimulation 30-60 Minutes Post 0.25 mg Cosyntropin IV||Greater than 20.0 µg/dL|
|Pediatric Reference Ranges for Cortisol, Serum, µg/dL|
|1-12 months||4.6-23.0 µg/dL|
|1-5 years||6.0-25.0 µg/dL|
|6-17 years||4.6-15.0 µg/dL|
|Stimulation 30-60 Minutes Post 0.25 mg Cosyntropin IV|
|1-12 months||32.0-60.0 µg/dL|
|1-5 years||22.0-40.0 µg/dL|
|6-17 years||17.0-28.0 µg/dL|
Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
|Component Test Code*||Component Chart Name||LOINC|
|2003251||Cortisol by LC-MS/MS, Serum or Plasma||2143-6|