Cortisol, Four Specimens

CPT: 82533(x4)
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Special Instructions

Please refer to the directions for Sequential Sampling.

This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.


Expected Turnaround Time

1 - 2 days


Related Documents


Specimen Requirements


Specimen

Serum


Volume

1 mL


Minimum Volume

0.7 mL (Note: This volume does not allow for repeat testing.)


Container

Gel-barrier tube (preferred) or red-top tube


Collection

If a red-top tube is used, transfer separated serum to a plastic transport tube.


Storage Instructions

Room temperature


LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
026948 Cortisol (4 Specimens) 014077 Cortisol #1 (Base) ug/dL 43215-3
026948 Cortisol (4 Specimens) 014084 Cortisol #2 ug/dL 21223-3
026948 Cortisol (4 Specimens) 014092 Cortisol #3 ug/dL 12557-5
026948 Cortisol (4 Specimens) 014100 Cortisol #4 ug/dL 12558-3

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