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Prenatal Chromosome Microarray

Message
Optimal timing for specimen collection is during 14 to 18 weeks of gestation, but specimens collected at other weeks of gestation are also accepted. Follow standard Amniotic Fluid collection procedure


Test Code
LAB11765 CMAP


Alias/See Also
CMAP


CPT Codes
81229

Includes
If an insufficient sample is received or MCC is identified in the prenatal sample, microarray testing will be performed on cultured material.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@


Instructions
Minimum Testing Volume: 12.0 mL Amniotic Fluid Transport Temperature: Refrigerated Causes for Rejection: All specimens will be evaluated at Mayo Clinic Laboratories for test suitability


Report Available
22-Days


Clinical Significance
1230170307



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.