Ordering Guidance

This test is not appropriate for detecting acquired copy number changes and excessive homozygosity. If this test is ordered with a reason for testing indicating a hematological disorder, the test will be canceled and CMAH / Chromosomal Microarray, Hematologic Disorders, Varies will be added and performed as the appropriate test.

Shipping Instructions

Advise Express Mail or equivalent if not on courier service.

Necessary Information

The reason for testing is required.

Specimen Required

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

Submit only 1 of the following specimen types:

Specimen Type: Whole blood

Container/Tube: Green top (sodium heparin) and lavender top (EDTA)

Specimen Volume: 3-mL EDTA tube and 4-mL sodium heparin tube

Collection Instructions:

1. Invert several times to mix blood.

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

Specimen Type: Cord blood

Container/Tube: Green top (sodium heparin) and lavender top (EDTA)

Specimen Volume: 3-mL EDTA tube and 4-mL sodium heparin tube

Note: The lab will attempt testing on a minimum of 1-mL whole blood, EDTA preferred.

Collection Instructions:

1. Invert several times to mix blood.

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

3. Label specimen as cord blood.