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Specimen Collection Manual and Test Catalog

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IGF-2

Geisinger Epic Procedure Code:  LAB2517    Geisinger Epic ID:  17767

SPECIMEN COLLECTION
Specimen type: 

Serum


Preferred collection container: 
Specimen required: 

0.5 mL aliquot of serum; minimum 0.3 mL.


Special notes: 

Avoid hemolysis. Avoid lipemia. See Specimen Procesing Notes.


Patient preparation: 

Overnight fasting preferred.



SPECIMEN PROCESSING
Processing instructions: 

Allow the blood to clot for 1 hour. Centrifuge the sample. Separate serum from cells within 1 hour.


Transport temperature: 

Room temperature.


Specimen stability: 

Room Temperature: 7 days. Refrigerated: 7 days. Frozen: 21 days.


Rejection criteria: 

Stability limits exceeded. Grossly lipemic, hemolytic or icteric specimens. Plasma is not acceptable.



TEST DETAILS
CPT code(s):  82542
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: 

Insulin-like growth factor II.


Methodology: 
Chromatography/Mass Spectrometry
Synonyms: 

IGF II, IGF2, insulin like growth factor receptor 2, Somatomedin A, Quest test code 92790


Clinical significance: 

IGF-2 measurements are useful in the diagnosis of growth disorders, as an adjunct to IGF-1.


Review Date:  11/14/2024

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