Chromosome Analysis Amniotic Fluid

Synonyms	AF CHROMOSOME ANALYSIS AMNIOTIC FLUID LAB4206
Cerner Name	Chromosome Analysis Amniotic Fluid
Clinical Info	Diagnosis of chromosome abnormalities, including aneuploidy, structural abnormalities, and balanced rearrangements on amniotic fluid (AF)
Specimen Sources	Amniotic Sac
Specimen Types	Amniotic Fluid
Specimen Volume	20 mL Amniotic Fluid in two sterile conical tubes
Container	20 mL Amniotic Fluid in two sterile conical tubes
Collection Instructions	Send to the laboratory ASAP at room temperature 20-25˚C. If there is a 48-hour delay or more in transportation, store the sample in a refrigerator at 4˚C. DO NOT FREEZE NOTE: Pertinent medical information including suspected diagnosis and informed consent is required. Submit maternal blood (2-5 ml EDTA lavender top tube) for maternal cell contamination studies and paternal blood (2-5 ml EDTA lavender top tubes) if needed for result interpretation
Transport Instructions	Room Temperature
Specimen Stability	48 hours room temperature. If there is a 48-hour delay or more in transportation, store the sample in a refrigerator at 4˚C. DO NOT FREEZE
Methodology	Chromosome analysis: in situ cell culturing of amniotic fluid for the investigation of numerical and/or structural chromosome abnormalities
Days Performed	Monday through Saturday; TAT: 7 - 14 Days
Performing Laboratories	Cytogenetics Laboratory at North Shore University Hospital (NSUH), Northwell Health Laboratories
CPT	88235, 88269, 88280, 88285, 88291
PDM	248491
Results
Result Interpretation See report
Forms	Prenatal Cytogenetics Test Requisition

Flow/Mol/Cytog - No Subgroup LAB4206