Chromosome Analysis, Blood

Test Code
KAROT


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


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
Am/pm Daily


Report Available
10-12 days


Reference Range
See Laboratory Report


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




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.