Chromosome Analysis, Blood


Test Code

Quest Code

CPT Codes
88230, 88262

Preferred Specimen
5 mL whole blood collected in a sodium heparin (green-top) tube

Minimum Volume
1 mL

Other Acceptable Specimens
Whole blood collected in: sodium heparin (royal blue-top), or sodium heparin lead-free (tan-top) tube

Other vacutainer tubes containing sodium heparin are acceptable.
See Genetics Specimen Collection Section for detailed specimen instructions.

Specimen viability decreases during transit. Send specimen to testing lab for viability determination. Do not freeze. Do not reject.

Transport Temperature
Room temperature

Specimen Stability
Room temperature: See instructions
Refrigerated: See instructions
Frozen: See instructions

Culture • Karyotype • Microscopy

Setup Schedule

Report Available
10 to 12 Day(s)

Reference Range
See Laboratory Report

Clinical Significance
This test may assist with the detection of common chromosome abnormalities.

Performing Laboratory
Quest Diagnostics Nichols Institute San Juan Capistrano
33608 Ortega Hwy
San Juan Capistrano, CA 92675-2042

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.