Chromosome FISH, Amniotic Fluid with Reflex to Chromosome Analysis or Genomic Microarray

Abbrev Code:ARMISC   
Order Code:LAB4909Order Name:Laboratory Miscellaneous Order
Synonyms:Common Trisomy Panel; NIPD Confirmation
Methodology:Fluorescence in situ hybridization
CPT Codes: 88271 x5, 88275 x5
Turnaround Time:Performed 7 days/week; results are reported within 1-3 days. If reflexed: 1-2 weeks required for chromosome analysis or microarray.
Special Instructions:Submit the Patient History for Cytogenetic (Chromosome) Studies with the electronic packing list. See Associated Links.

For tests developed and validated by ARUP (previously referred to as Compliance Statement B, C or D). This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Associated Links:

Patient History for Cytogenetic Chromosome Studies

Collection Instructions

Specimen:Amniotic Fluid
Optimal Volume:30 mL
Minimum\Peds Volume:15 mL
Container:Sterile tube
Causes for Rejection:Bloody specimens

Processing and Shipping

Specimen Processing:Do not process. Store at room temperature.
Shipping Instructions:Ship at room temperature. Do not freeze or expose to extreme temperatures.
Stability:48 hours at room temperature or refrigerated. Do not freeze.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2011130


Reference Range:Normal.
Use:For rapid detection of aneuploidy involving chromosomes 13, 18, 21, X and Y. If the FISH results are abnormal, the specimen will reflex to chromosome analysis for mechanism determination. If the FISH results are normal, the specimen will reflex to genomic microarray.

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