Parental Sample Prep for Prenatal Microarray Testing

Message

Test requires 2 blood specimens: 1 EDTA and 1 NaHepCollect full tubes, following standard venipuncture techniques.

Test Code

LAB16010 PPAP

Alias/See Also

PPAP

Includes

When Amniotic fluid, Autopsy, Products of Conception or Stillbirth Chromosomal Microarray is ordered, parental blood specimens are collected and prepared for confirmation studies should an abnormality be detected on the prenatal sample. If an abnormality is detected on the fetal specimen, the most appropriate testing (microarray, FISH, or chromosome analysis) to aid in the interpretation of the prenatal result can be performed on the parental specimens. A paternal blood specimen is requested but not required.Maternal cell contamination testing will be performed on the maternal blood and prenatal specimens to rule out the presence of maternal cells in the fetal sample.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@

Instructions

Processing Instructions (Lab use only): Send whole blood in original tubes. Do not aliquot Minimum Testing Volume: 2.0 mL EDTA whole blood2.0 mL NaHep whole blood Transport Temperature: Ambient Causes for Rejection: All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Report Available

7-Days

Clinical Significance

1230171156

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.