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Specimen Collection Manual and Test Catalog

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CORTISOL

Geisinger Epic Procedure Code:  LAB2080    Geisinger Epic ID:  6565

SPECIMEN COLLECTION
Specimen type: 

Plasma or serum


Specimen required: 

1 mL of serum or plasma; minimum 0.5 mL



SPECIMEN PROCESSING
Processing instructions: 

Allow serum to clot. Centrifuge to separate serum or plasma within 2 hours of collection.


Transport temperature: 

Refrigerated (preferred). Frozen specimen also acceptable.


Specimen stability: 

Room temperature: 24 hours. Refrigerated: 4 days. Frozen: 12 months.


Rejection criteria: 

Hemolysis, lipemia



TEST DETAILS
Reference interval: 

AM 4.8 - 19.5 ug/dL 
PM 2.5 - 11.9 ug/dL


Additional information: 

Specimens containing human antimouse antibodies (HAMA) may affect results.


CPT code(s):  82533
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Cortisol.


Methodology: 
Electrochemiluminescence Immunoassay
Synonyms: 

Hydrocortisone, CORT


Clinical significance: 

Cortisol is increased in Cushing's disease and decreased in Addison's disease (adrenal insufficiency).


Doctoral Director(s): 
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC
Review Date:  12/27/2024

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