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Cortisol, Free, Total With CBG (Endocrine Sciences)

CPT: 82533; 84449
Updated on 12/9/2019
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Test Includes

Cortisol, total; cortisol-binding globulin (CBG); free cortisol; percent free cortisol

Cortisol, total; cortisol-binding globulin (CBG); free cortisol; percent free cortisol


Expected Turnaround Time

6 - 12 days


Specimen Requirements


Specimen

Serum, frozen


Volume

1 mL


Minimum Volume

0.3 mL


Container

Red-top tube or gel-barrier tube


Collection

Separate serum within one hour of venipuncture. Transfer specimen to a plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.


Storage Instructions

Freeze. Stable at room temperature for one day or refrigerated for one day. Stable for one year frozen.


Test Details


Methodology

HPLC/tandem mass spectrometry; radioimmunoassay (RIA); calculation of free cortisol


LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
500440 CBG with Free Cortisol 68315-1 500131 Cort.Bind.Glob.(CBG) mg/dL 3033-8
500440 CBG with Free Cortisol 68315-1 500155 Cortisol, Serum LCMS ug/dL 2143-6
500440 CBG with Free Cortisol 68315-1 500441 Free Cortisol, Serum ug/dL 2145-1
500440 CBG with Free Cortisol 68315-1 500442 Percent Free Cortisol, Serum % 65364-2

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The LOINC® codes are copyright © 1994-2018, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf