Chromosome and/or FISH

Dk green Sodium heparin (Na hep), no gel

Chromosome and CMA

Dk green Sodium heparin (Na hep), no gel

Lavender (EDTA), 4mL

• If both chromosome and FISH tests are ordered, only 1 tube of blood is needed.
• If both chromosome and microarray (CMA) tests are ordered, follow sample requirements for microarray test.
  • CMA analysis requires blood in both EDTA and a dark green sodium heparin (Na hep) tube, no gel
• Immediately following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

Chromosome and/or FISH

Dk green Sodium heparin (Na hep), no gel

Chromosome and CMA

Dk green Sodium heparin (Na hep), no gel

Lavender (EDTA), 4mL

Ambient (strict)

• Improper label (unlabeled or mislabeled)
• Wrong container (anticoagulant or solution)
• Improper blood/anticoagulant ratio
• Delay in transport
• Improper storage
• Leaking container

G-Banding

An interpretive report will be provided

Medical necessity