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Chromosome Analysis, Blood
MessageCollect specimen Monday-Friday before 1800. Do not collect on weekends or holidays.
Test Code
14596
Alias/See Also
LAB888
KARYOTYPES
KARYOTYPING
KARYOTYPES
KARYOTYPING
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.
Preferred Specimen
5 mL whole blood collected in a sodium heparin (green-top) tube
Minimum Volume
1 mL
Critical NICU/Neonates 0.5 mL
Critical NICU/Neonates 0.5 mL
Other Acceptable Specimens
Sodium heparin (royal blue-top) tube • Sodium heparin lead-free (tan-top) tube
Instructions
See Genetics Specimen Collection Section for detailed specimen instructions
Transport Container
Sodium heparin (green-top) tube
Transport Temperature
Room temperature
Specimen Stability
Specimen viability decreases during transit. Send specimen to testing lab for viability determination. Do not freeze. Do not reject.
Methodology
Culture • Karyotype • Microscopy
Setup Schedule
Daily
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, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |