FISH for RARA Blood




Test Mnemonic

RARFSH

CPT Codes

  • 88271 - QTY (2)
  • 88275 - QTY (1)
  • 88291 - QTY (1)
  • 88237 - QTY (1)

Aliases

  • FISH for RARA Translocation for APL

Includes

  • Result

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
5 - 7 mLBlood, peripheralEDTA (Lavender)AmbientAmbient 

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
5 - 7 mLBlood, peripheralSodium heparin (Green)AmbientAmbient 

Stability

Environmental Condition Description
Ambient48 hours
RefrigeratedAcceptable
FrozenNot acceptable

Days Performed

3 days per week

Turnaround Time

5 - 7 days

Methodology

Name Description
Fluorescent In-Situ Hybridization (FISH) 

Clinical Info

This assay employs a dual color, break-apart FISH probe to detect translocations involving the RARA gene at chromosome 17q21, as seen in acute promyelocytic leukemia.