FISH for CBFB/MYH11 Bone Marrow




Test Mnemonic

INV16M

CPT Codes

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

Aliases

  • FISH for INV16

Includes

  • LSI CBFB (16q22)

Performing Laboratory

Cleveland Clinic Laboratories

FDA Category

Laboratory Developed Test


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 - 3 mLBone marrowEDTA (Lavender)AmbientAmbient 

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 - 3 mLBone marrowSodium heparin (Green)AmbientAmbient 

Stability

Environmental Condition Description
Ambient48 hours
RefrigeratedAcceptable
FrozenNot acceptable

Days Performed

5 days per week

Turnaround Time

5 - 7 days

Methodology

Name Description
Fluorescent In-Situ Hybridization (FISH) 

Clinical Info

To assist in the diagnosis of acute myelocytic leukemia, specifically acute myelomonocytic leukemia. This chromosome abnormality is usually associated with increased number of immature eosinophils in the bone marrow and often with peripheral blood eosinophilia. If no cells are available for analysis, no analysis charges will be incurred.