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Cold Hemagglutinins (Hemagglutination)

Message
Collect 4 mL whole blood in a red-top tube (no gel). Clot at 37 degrees C. Centrifuge at room temperature and immediately separate serum. Note: If testing is for recent Mycoplasma pneumoniae exposure, Test Code 21130 Mycoplasma pneumoniae Antibody (IgM), is recommended.


Test Code
LAB3024 CHGTN


Alias/See Also
CHGTN


CPT Codes
86157

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


Instructions
Minimum Testing Volume: 0.5 mL Serum Transport Temperature: Room Temperature Stability: Ambient: 14 DaysRefrigerated : 28 DaysFrozen: N/A Causes for Rejection: Received frozen


Report Available
4-Days


Clinical Significance
1230170853



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.