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.
For optimal testing results, the specimen must arrive within 24 hours.      
Test Performed at or Referral Lab Cytogenetics  (UMMC East Bank)

Click HERE to Report test errors or omissions.
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