Information on collection, storage, and volume
Amniotic fluid, chorionic villus sample (CVS), cultured amniocytes, cultured villi. (Cultured cells are required for testing. Direct specimen can be submitted, but a culture fee may be included.) Submission of maternal blood is required for analysis of Maternal Cell Contamination (511402), which should be ordered on a separate test request form.
Amniotic fluid: 20 cc, CVS: 20 mg, or amniotic fluid and CVS culture: Two confluent flasks
Sterile plastic conical tube or two confluent T-25 flasks for fetal testing
Maintain specimen at room temperature or refrigerate at 4°C.
Frozen specimen; hemolysis; quantity not sufficient for analysis; improper container