Test Details

Mnemonic

FISH

Ordering Code

3470000

CPT-4 Code(s)

Variable depending on what testing was performed

Specimen Information

Collect

Green sodium heparin

Specimen Preparation

Send 5.0 mL whole blood room temperature. Completed Warde Medical Laboratory Cytogenetics Test Requisition Genetic Disorder required. Please state FISH probe required on requisition.

Alternate Specimen

Bone Marrow

Minimum Volume

3.0 mL

Transport Temperature

Room temperature

Rejection Criteria

Lithium heparin samples

Stability

Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: Unacceptable

Methodology

Cultures, staining 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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