Chromosome Analysis, Blood {14596}

For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Test Code

CPT Codes
88230, 88262

Physician Attestation of Informed Consent
This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, NY, OR, SD or VT or test is performed in MA.

**Test may be replaced by %37871 Chromosome Analysis, Blood, No Growth and %39650 Cytogenetics Communication**

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

Minimum Volume
1 mL
Critical NICU/Neonates 0.5 mL

Other Acceptable Specimens
Sodium heparin (royal blue-top) tube • Sodium heparin lead-free (tan-top) tube

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

Transport Temperature
Room temperature

Specimen Stability
Room Temperature = Preferred
Refrigerated = Acceptable
Frozen = Unacceptable

Culture • Karyotype • Microscopy

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Report Available
10 days

Reference Range
See Laboratory Report

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

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

Last Updated: November 29, 2021

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.