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Laboratory Test Directory

Chromosome Analysis, 5-Cell Confirmation in Blood

Components

Name Method Department Units
Periph Blood, Chromosome Analysis, 5-Cell Confirm Chromosomal analysis
Cytogenetics

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Green tube (Sodium heparin), No Gel

10 mL 5 mL-8 mL
Stability

Room temperature - 24 hour(s)

Preferred

Green tube (Sodium heparin), No Gel

10 mL 5 mL-8 mL
Stability

Room temperature - 24 hour(s)

Preferred

Green tube (Sodium heparin), No Gel

3 mL 1 mL-3 mL
Stability

Room temperature - 24 hour(s)

Specimen Preparation

  • Do not centrifuge
  • Do not freeze
  • Keep at room temperature

Reasons for Rejection

  • Centrifuged specimen
  • Frozen specimen
  • Clotted specimen
  • Wrong collection tube

Comments

Submission of Genetic Test Requisition Form is required. This test is intended for patients who have previously had abnormal chromosome results in the prenatal period (e.g. CVS or amniotic fluid samples) or patients who have had aneuploidy detected by microarray analysis, and chromosomes in 5 cells will be evaluated to confirm chromosome findings in blood sample. If complete blood chromosome analysis (20 cells evaluated) is desired, please order test code PBCS.

CPT Code

  • 88230
  • 88261