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Chromosome Analysis, Peripheral Blood (routine)

New York


  • Chromosomal Abnormalities

Clinical Utility

For peripheral blood samples:

  • Multiple congenital abnormalities with or without mental retardation/developmental delay; family history of chromosome abnormality; infertility; short stature; recurrent spontaneous abortions.

Lab Method

  • Karyotype

Test Code


CPT Codes*

88230x1, 88262x1

ABN Required


Turnaround Time**

1-2 weeks

Preferred Specimen

2-5 mL Blood-Sodium Heparin, Green Top Tube. Please note that samples received greater than 7 days after collection will be rejected and not used for analysis.

*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.

**Reporting times are typical and begin once the sample(s) are received at the GeneDx laboratory, but could be extended in situations outside GeneDx’s reasonable control.