Test directory: Chromosome Analysis, Amniotic Fluid

Ordering Code7984
Test NameChromosome Analysis, Amniotic Fluid
AliasKaryotyping, Amniotic Fluid
Cytogenetics - AF Chromosome Analysis
Preferred SpecimenAmniotic Fluid
Preferred ContainerSterile Container
Optimum Volume30 mL 15 to 20 mL for early amniocentesis
Collection InstructionsDiscard first 2 cc of amniotic fluid; then place 15-25 cc into 2 (15 mL) sterile container
If prior NIPT studies have been performed, include copy of the report.
Handling InstructionsDo not centrifuge for any reason
Do not refrigerate or freeze.
Transport RequirementsOahu: Ambient
Airline: Ambient
Specimen StabilityAmbient: 3 Days
Refrigerated: Not Stable
Frozen: Not Stable
Rejection CriteriaFrozen, Specimen found not to be amniotic fluid, Gross contamination with blood cells, Container with rubber stopper (rubber is toxic to amniocytes)
Avail. StatNO
Analytic TimeUp to 10 Days
MethodologyIn situ cell culturing of amniocytes
Reference Lab Labcorp

Reference range(s)

The reference ranges listed below are valid on this date of November 21, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Cells CountedALLSee report.
ColoniesALLSee report.
Cells AnalyzedALLSee report.
Cells KaryotypedALLSee report.
GTG Band Resolution AchievedALLSee report.
Cytogenetic DiagnosisALLSee report.
Cytogenetic InterpretationALLSee report.
Specimen TypeALLSee report.
Director ReviewALLSee report.
PDFALLSee report.