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Cytogenetic Test Request Form Recommended (ARUP form #43097)
Ordering Recommendation

Panel is ONLY utilized for newborns with suspected aneuploidy. Included are probes for trisomy 13, trisomy 18, trisomy 21, and the X and Y sex chromosomes. Note that if chromosome analysis is also ordered, a preliminary chromosome report will be issued based on 10 cells from a 48-hour culture.

Mnemonic
FISHANEU
Methodology

Fluorescence in situ Hybridization (FISH)

Performed

Sun-Sat

Reported

1-3 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Green (sodium heparin).

Specimen Preparation

Do not freeze or expose to extreme temperatures.  Transport 5 mL whole blood. (Min: 1 mL)

Storage/Transport Temperature

Room temperature.

Unacceptable Conditions

Frozen specimens. Clotted specimens.

Remarks
Stability

Ambient: 48 hours; Refrigerated: 48 hours; Frozen: Unacceptable

Reference Interval

By report

Interpretive Data



Compliance Category

Laboratory Developed Test (LDT)

Note

This panel is ONLY utilized for newborns with suspected aneuploidy. This panel includes probes for trisomy 13, trisomy 18, trisomy 21 and X and Y. For other applications, please contact ARUP's genetic counselor at (800) 242-2787 ext. 2141 for additional information.
These studies involve culturing of living cells; therefore, turnaround times given represent average times which are subject to multiple variables. After specimen receipt, results are generally available in an average of 4 days.
A processing fee will be charged if this procedure is canceled, at the client's request, after the test has been set up, or if the specimen integrity is inadequate to allow culture growth

This test must be ordered using Cytogenetic test request form #43097 or through your ARUP interface. Submit the Patient History for Pediatric/Adult Cytogenetic (Chromosome) Studies form with the electronic packing list (https://ltd.aruplab.com/Tests/Pdf/20).

Specimen and completed test request form, including clinical indication, must be received within 48 hours of collection.

Hotline History
N/A
CPT Codes

88271 x5; 88275 x5; 88291

Components
Component Test Code* Component Chart Name LOINC
0040209 Aneuploidy Panel by FISH 50684-0
2002194 EER Aneuploidy Panel by FISH 11526-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Common Trisomy FISH panel
  • Newborn FISH panel
Aneuploidy Panel by FISH