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Recommendations when to order or not order the test. May include related or preferred tests.
Screen, diagnose, and monitor diseases associated with excess or deficient cortisol production.
Methodology
Process(es) used to perform the test.
Quantitative Electrochemiluminescent Immunoassay
Performed
Days of the week the test is performed.
Sun-Sat
Reported
Expected turnaround time for a result, beginning when ARUP has received the specimen.
Within 24 hours
New York DOH Approval Status
Indicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect 1 timed specimen at 60 minutes.
Collect
Serum separator tube (SST) or Plain Red, green (lithium heparin), Lavender (K2 EDTA and K3 EDTA), or pink (K2 EDTA).
Specimen Preparation
Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.4 mL) Specimen must be labeled with time drawn.
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Remarks
Stability
After separation from cells: Ambient: 24 hours; Refrigerated: 4 days; Frozen: 12 months (avoid repeated freeze/thaw cycles)
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
By report
Interpretive Data
Background information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
Normal peak serum cortisol is greater than 18.0 µg/dL at 30 or 60 minutes after 250 micrograms of cosyntropin IV
The 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.
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