Test CPT Codes
88230, 88261 or 88262, 88289
Chromosome Analysis for Constitutional Disorders
Constitutional Genetics (Biochemical & Molecular Genetics)
Test Disease / Components
Developmental delay, multiple anomalies, and autism-spectrum disorders. Lymphomas. Can also be ordered on parents to determine if a copy number variant in a child is inherited or de novo.
Adult - 3-5 mL drawn into a GREEN top sodium heparin vacutainer tube. Do NOT use lithium heparin.
Child - 1-2 mL, as above.
Infant - 1-2 mL, as above.
Frozen or fixed specimens
Storage, Stability & Shipping
Ship samples at room temperature (do not freeze or fix). Specimen viability decreases during transit, ship day of collection when possible. Specimen optimum if received within 48 hours.
Store room temperature if shipped within 2 days. Store refrigerated when unable to ship immediately. Specimen viability decreases with each day of storage.
Turnaround Time (TAT)