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Interpretive Handbook

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Test 36022 :
Parental Sample Prep for Prenatal Microarray Testing

Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test

In order to interpret equivocal array results on a prenatal sample (amniotic fluid or chorionic villus), parental studies are performed to determine if the abnormality detected on the prenatal array is inherited or de novo. 

                                                         

Maternal cell contamination testing is performed on the maternal blood and prenatal sample to detect the presence of maternal cells in the fetal sample. 

Useful For Suggests clinical disorders or settings where the test may be helpful

Preparing parental blood samples for possible confirmation testing if an abnormality is detected on the prenatal array sample

                                                   

DNA extraction of the maternal blood sample used for maternal cell contamination testing

Interpretation Provides information to assist in interpretation of the test results

No interpretation will be provided-this test is for sample processing only.

Cautions Discusses conditions that may cause diagnostic confusion, including improper specimen collection and handling, inappropriate test selection, and interfering substances

No significant cautionary statements

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

An interpretive report will be provided


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