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Test Code PPAPM Parental Sample Prep for Prenatal Microarray Testing, Blood

Additional Codes

EPIC EAP  Mayo
LAB86031 PPAP

Useful For

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

 

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

Method Name

DNA Extraction/Cell Culture

Reporting Name

Parental Prenatal Array Prep Test

Specimen Type

Whole blood


Additional Testing Requirements


This test must be ordered in conjunction with CMAP / Chromosomal Microarray, Prenatal, Amniotic Fluid/Chorionic Villus Sampling; CMAPC / Chromosomal Microarray, Autopsy, Products of Conception, or Stillbirth, Varies; or CMAMT / Chromosomal Microarray, Autopsy/Products of Conception/Stillbirth, Tissue. Each parent should have a specimen collected for this test ID using a different order number than the fetal specimen collected for the CMAP, CMAPC, or CMAMT order.



Necessary Information


1. The reason for testing is required.

2. Include the name listed on the prenatal specimen that was submitted for CMAP / Chromosomal Microarray, Prenatal, Amniotic Fluid/Chorionic Villus Sampling; CMAPC / Chromosomal Microarray, Autopsy, Products of Conception, or Stillbirth, Varies; or CMAMT / Chromosomal Microarray, Autopsy/Products of Conception/Stillbirth, Tissue.



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: 3 mL EDTA and 4 mL sodium heparin

Collection Instructions:

1. Invert several times to mix blood.

2. Send whole blood specimens in original tubes. Do not aliquot.


Specimen Stability Information

Specimen Type Temperature Time
Whole blood Ambient (preferred)
  Refrigerated 

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Day(s) Performed

Monday through Friday

Report Available

Varies

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.

LOINC Code Information

Test ID Test Order Name Order LOINC Value
PPAP Parental Prenatal Array Prep Test In Process

 

Result ID Test Result Name Result LOINC Value
55079 Result Summary 50397-9
52978 Interpretation 69965-2
52979 Reason For Referral 42349-1
53337 Specimen 31208-2
53338 Source 31208-2
53339 Method 85069-3

Specimen Minimum Volume

2 mL EDTA and 2 mL sodium heparin whole blood

Test Classification

Not Applicable