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Test #

122

Test CPT Codes

88271 x2, 88275

22q11.2 DiGeorge Syndrome

Test Type

Constitutional Genetics

Test Disease / Components

DiGeorge Syndrome

Test Technology

FISH

Clinical Utility

Diagnostic

Test Specimen

Peripheral Blood:

  • Draw 5mL in a sodium heparin (green top) tube

  • EDTA (purple top) will be accepted

Rejection Criteria:

  • Frozen or Fixed Specimen

  • Clotted or grossly hemolyzed specimen

Storage and Stability

Storage:

  • Label specimen with patient's name and date of birth

  • Complete requisition form with necessary information

  • Local Clients call KSL Diagnostics at 1.800.960.1080 to schedule a pickup

  • Ship samples at room temperature (do not freeze or fix)

Stability:

  • Specimen viability decreases during transit

  • Send to testing lab day of collection when possible

  • Specimen optimum if received within 48 hours

Turnaround Time (TAT)

2-5 days

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