Alpha Globin Gene Analysis


Order Code:

CPT Codes:
  81257, G0452

Indication:  Carrier Screening; Clinical Diagnosis

Required Patient Information:
Personal and Family History of clinical symptoms and/or previous test results (if any); For prenatal testing: LMP date or gestational age at the time of sample collection.

Turn Around Time:
14 days
Specimen type: Whole blood, Amniotic Fluid, Chorionic Villi

Methodology: Testing for the seven alpha-thalassemia deletions (-α3.7, -α4.2, --SEA, --FIL, --THAI, --MED and -α20.5) will be performed by multiplex PCR amplification followed by gel electrophoresis.

Other Requirements: A maternal blood sample is required for all prenatal specimens.