Test Details

Mnemonic

CHRAF

Ordering Code

3470600

CPT-4 Code(s)

88235, 88267, 88280. Fee for assay attempted (88235)

Specimen Information

Collect

Amniotic fluid

Specimen Preparation

Send 20.0 mL amniotic fluid at room temperature in an sterile screw capped plastic container. Completed Warde Medical Laboratory Prenatal Genetic Test Requisition required.

Minimum Volume

10.0 mL

Transport Temperature

Room temperature

Stability

Room temperature: 72 hours
Refrigerated: Unacceptable
Frozen: Unacceptable

Methodology

Cultures, 2 banded karyotypes, and other techniques when required.
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Reference Range

Interpretive report
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Performing Laboratory

Quest Ameripath
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