Test Details
Mnemonic
FAMED
Ordering Code
3721060
CPT-4 Code(s)
81402, add 88235 if testing is performed on amniotic fluid or chorionic villi at additional charge
Specimen Information
The following germline genetic tests from Quest require physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, OR, SD or VT or test is performed in MA.
Collect
Lavender EDTA
Specimen Preparation
Send 5.0 mL whole blood in a screw capped plastic vial.
Alternate Specimen
Whole blood: Yellow ACD, amniotic fluid, chorionic villi in a sterile leak-proof container, cultured
cells collected in each of two sterile T-25 flask.
cells collected in each of two sterile T-25 flask.
Minimum Volume
Whole blood: 3.0 mL; Amniotic Fluid: 10.0 mL; Chorionic Villi: 10.0 mg;
Cultured cells: 75% confluent
Cultured cells: 75% confluent
Transport Temperature
Room temperature
Rejection Criteria
Refrigerated specimens, frozen specimens
Stability
Whole blood:
Room Temperature: 8 days
Refrigerated: 8 days
Frozen: Unacceptable
Amniotic Fluid, Cultured cells, Chorionic villi:
Room Temperature: 48 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Room Temperature: 8 days
Refrigerated: 8 days
Frozen: Unacceptable
Amniotic Fluid, Cultured cells, Chorionic villi:
Room Temperature: 48 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Methodology
Polymerase Chain Reaction, Singular Nucleotide Primer Extension
Reference Range
See report
Performing Laboratory
Quest
New York DOH Approval Status
No