A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Chromosome Analysis, Blood

Test Code
CHAB


Alias/See Also

LAB888



CPT Codes
<p>88230, 88262</p>

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

Patient Preparation: 

Specimen Type: Whole Blood

Collection Container/Type

Preferred: Green top (sodium heparin)

Acceptable: Royal blue top (sodium heparin), Tan top (sodium heparin lead-free)

Specimen Volume: 5 mL

Collection Instructions: 

  1. Invert several times to mix blood.
  2. Other anticoagulants are not recommended and are harmful to the viability of the cells.
  3. Label specimen as whole blood.

Additional Information:

  1. Clinical history and reason for referral are required with test order.
  2. This test may be replaced by Chromosome Analysis, Blood, No Growth test, if cultures do not yield metaphases for analysis, or with a Cytogenetics Communication, if a communication is required.
  3. Preliminary results available for neonatal specimens three days after receipt.
  4. Ship at room temperature.  Specimen viability decreases during transit. Send specimen to testing lab for viability determination. Do not freeze. Do not reject.


Minimum Volume

1 mL



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


Instructions
Clinical history/reason for referral is required with test order.

Ship at room temperature. Specimen viability decreases during transit. Do not freeze. Do not reject.

Preliminary results available for neonatal specimens three days after receipt.


Transport Temperature
Room temperature


Specimen Stability

Room temperature: Preferred

Refrigerated: Acceptable

Frozen: Unacceptable



Methodology

Culture • Karyotype • Microscopy 



Setup Schedule
Set up: Daily; Report available: 10 days


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 14225 Newbrook Drive Chantilly, VA 20153


Last Updated: February 22, 2012


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.