Cell Culture for Possible Additional Prenatal Studies

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

Test Code

CPT Codes

This test is ordered in addition to Chromosome Analysis, Amniotic Fluid, if additional monolayer cultures are needed to perform other tests on the submitted amniotic fluid sample. Specific details of the additional testing and testing laboratory are required to route these cultures.

If cells from the submitted specimen do not attach or proliferate in culture, a Prenatal Specimen Culture - will be substituted for the ordered test.

If results are not possible, the test order may be canceled and replaced by a "Cytogenetics Communication".

Preferred Specimen
20 mL amniotic fluid collected in conical plastic screw-cap tube, or
20 mg chorionic villus sampling collected in sterile conical plastic screw-cap tube containing CVS transport medium, or equivalent

Minimum Volume
5 mL amniotic fluid • 5 mg chorionic villus

Other Acceptable Specimens
Cultured specimen in T-25 flask or equivalent

Specimen viability decreases during transit. Send specimen to testing lab for viability determination. Do not freeze. Do not reject.

Transport Temperature
Room temperature

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

Tissue Culture

Setup Schedule
Set up: Mon-Sat; Report available: 14 days

Reference Range
See Laboratory Report

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

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.