Chromosome Analysis, High Resolution

Test Code
14595

CPT Codes
88230, 88262, 88289

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.

Includes
This test may be replaced by Chromosome Analysis, Blood, No Growth test, if cultures do not yield metaphases for analysis or by code 416 - Cytogenetics Communication, if a communication is required

Preferred Specimen
5-10 mL whole blood collected in sodium heparin (green-top) tube

Minimum Volume
3 mL

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

Instructions
Clinical history and reason for referral are required with test order.

Infants: 2-3 mL in pediatric (3 mL) Vacutainer®. Ship at room temperature.
Other Vacutainer® tubes containing sodium heparin are acceptable.

Specimen viability decreases during transit. Send specimen to testing lab for viability determination.

Please note: Preliminary results available for neonatal specimens three days after receipt.

Transport Temperature
Room temperature

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

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received frozen

Methodology
Culture • Karyotype • Microscopy

Setup Schedule
Set up: Mon-Sun am.; Report available: 10 days

Reference Range
See Laboratory Report

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153




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.