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Immunoglobulin G (IgG) Subclass 4

Message
Collect a full tube, following standard venipuncture techniques.


Test Code
LAB1000 IGGS4


Alias/See Also
IGGS4


CPT Codes
82787

Includes
@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@


Instructions
Minimum Testing Volume: 0.5mL Transport Temperature: Refrigerated Cold Packs Stability: Ambient: 72 HoursRefrigerated : 10 DaysFrozen: 30 Days Causes for Rejection: Gross hemolysis; Lipemia


Report Available
7-Days


Clinical Significance
1230171068



Last Updated: May 18, 2026


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.