FISH Follow-up

New York
Approved


Clinical Utility

  • Evaluation of a specific cytogenetic region(s) as a follow up to chromosomal microarray analysis performed by GeneDx

Lab Method

  • FISH

Test Code

J542

CPT Codes*

88271x1, 88273x1, 88230x1

ABN Required

No

Turnaround Time**

3 weeks

Preferred Specimen

2-5 mL Blood - Green Top Tube

Alternative Specimen

10 mL Amniotic Fluid|10 mg CVS|1 T25 flask of cultured amniocytes|1 T25 flask of cultured chorionic villi

*The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

**Turnaround times are estimates and begin once the sample(s) begin processing at the GeneDx lab and could be extended in situations outside GeneDx’s control.