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Laboratory Test Directory

Amniotic Fluid Culture Only, Cytogenetics Lab

Components

Name Method Department Units
Amniotic Fluid Culture Only, Cytogenetics Lab Cell Culture
Cryopreservation
Cytogenetics

Specimen Requirements

Amniotic fluid

Container Type Container Size Specimen Volume
Preferred

Sterile container

N/A 20 mL-30 mL
Stability

Room temperature - 24 hour(s)

Specimen Preparation

  • Do not add fixative
  • Do not centrifuge
  • Do not freeze
  • Transport to laboratory as soon as possible
  • Keep at room temperature

Reasons for Rejection

  • Delayed or improper handling
  • Frozen specimen
  • Fixed specimen

Comments

Completed Prenatal Genetic Test Requisition Form is required. This test is intended for amniotic fluid samples without chromosome analysis order that need to be cultured for other cytogenetic/molecular genetic/biochemical testing (e.g. prenatal microarray analysis, DNA isolation and storage, send-out testing) or cryopreservation for future testing. If additional in-house or send-out testing on cultured fibroblasts is desired, please clearly indicate the desired testing on the lab order and call the Cytogenetics lab (614-722-5321) and speak to a laboratory genetic counselor to coordinate additional testing. Otherwise, cultured cells will be cryopreserved for future testing. If cultured amniocytes will be used to perform fetal molecular genetic testing, submission of maternal blood sample in EDTA tube is highly recommended to perform maternal cell contamintation study.

CPT Code

  • 88235
  • 88240