Chromosome Analysis, Amniotic Fluid


Abbrev Code:AMNICG   
Order Code:LAB4206Order Name:Chromosome Analysis, Amniotic Fluid
Synonyms:CHROMO AM; G-band; AF
Methodology:In-situ cell culture with chromosome analysis by G-banding.
CPT Codes: 88269 x1, 88269 x1, 82280 x1, 88280 x1, 88285 x1, 88285 x1, 88291 x1, 88291 x1, 88235 x1, 88235 x1
Turnaround Time:Results are reported within 8-10 days.
Special Instructions:Test request form requires:
  • Date and time of specimen collection
  • Specimen type
  • Patient information: date of birth, sex and medical record number
  • Ordering physician/genetic counselor and contact number
  • Reason for referral
  • Clinical status
  • Gestational age
  • Information regarding medication or transfusions
  • Previous or pending genetic testing results

    A signed informed consent in the patient's medical record is required. The consent should not be sent to the laboratory. A link to the Genetic Testing Consent Form is provided as a convenience for the providers and genetic counselors. See Associated Links.
Associated Links:

Genetic Testing Consent Form


Collection Instructions

Specimen:Amniotic Fluid
Optimal Volume:20-30 mL
Minimum\Peds Volume:10 mL
Container:Sterile tube
Collection Instructions:Collect after 15 weeks gestation; maintain sterility during collection. Transport to the laboratory as soon as possible.


Processing and Shipping

Specimen Processing:Store at room temperature. Specimens must be received in Cytogenetics Lab Mon-Fri by 5:30 pm; weekends and holidays by 4:30 pm. Specimens received after the above times will be processed the following day.
Shipping Instructions:Ship at room temperature.
Stability:
For optimal testing results, the specimen must arrive within 24 hours.      
Test Performed at or Referral Lab Cytogenetics  (UMMC East Bank)


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