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Test ID BLOD1439 Parental Sample Prep for Prenatal Microarray Testing

Useful For

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

Specimen Type

Whole blood


Necessary Information


1. The reason for referral is required.

2. Include the name listed on the prenatal sample that was submitted for prenatal microarray analysis.



Specimen Required


This test requires 2 blood specimens: 1 sodium heparin and 1 EDTA.

 

Specimen Type: Whole blood
Container/Tube: Green top (sodium heparin) and lavender top (EDTA)
Specimen Volume: 

EDTA: 3 mL

Sodium heparin: 4 mL
Collection Instructions:
1. Invert several times to mix blood.
2. Send specimens in original tubes.


Reject Due To

No specimen should be rejected.

Specimen Stability Information

Specimen Type Temperature Time
Whole blood Ambient (preferred)
  Refrigerated 

Day(s) and Time(s) Performed

Samples processed Monday through Sunday. Results reported Monday through Friday, 8 a.m. to 5 p.m.

Analytic Time

Varies

Method Name

DNA Extraction/Cell Culture

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

This test ID contains no charge and serves as a way to correlate proband parental specimens. If additional testing is warranted, the appropriate tests will be added.

Testing Algorithm

This test can only be ordered on the parents when a prenatal microarray test has been ordered on the fetal sample.

 

This test ID contains no charge and serves as a way to correlate proband and parental specimens. If additional testing is warranted, the appropriate tests will be added. 

 

When prenatal microarray analysis is ordered, parental blood samples are collected and prepared for confirmation studies should an abnormality be detected on the prenatal sample. If an abnormality is detected on the fetal sample, the most appropriate testing (microarray, FISH, or chromosome analysis) to aid in the interpretation of the prenatal result is performed on the parental samples. A paternal blood sample is desired but not required.

 

Maternal cell contamination testing will be performed on the maternal blood and prenatal samples to rule out the presence of maternal cells in the fetal sample.

Reporting Name

Parental Prenatal Array Prep Test

Reference Values

An interpretive report will be provided.

Secondary ID

52964
Sanford Laboratories - Fargo Additional Information:

SANFORD INTERFACE BUILD INFORMATION

Result Code Result Code Description
19693 Result Summary
19694 Interpretation
19695 Reason for Referral
19696 Specimen
19697 Source
19698 Requested FISH Test
19699 Method
19700 Additional Information
19701 Released By