Cortisol, Free, Total With CBG (Endocrine Sciences)

TEST: 500440
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CPT: 82533; 84449
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Test Includes

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

Expected Turnaround Time

6 - 12 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

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 © 1994-2023, 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