FISH for Chronic Lymphocytic Leukemia




Test Mnemonic

CLLFSH

CPT Codes

  • 88271 - QTY (7)
  • 88275 - QTY (3)
  • 88291 - QTY (1)
  • 88237 - QTY (1)

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
5 - 7 mLWhole bloodEDTA (Lavender)AmbientAmbient 
5 - 7 mLWhole bloodSodium heparin (Green)AmbientAmbient 

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
4 mL     

Stability

Environmental Condition Description
Ambient48 hours, preferred
Refrigerated48 hours, not preferred but acceptable
FrozenUnacceptable

Days Performed

Mon - Thu

Turnaround Time

5 - 7 days

Methodology

Name Description
Fluorescent In-Situ Hybridization (FISH) 

Special Info

This test currently includes FISH testing for 17p(TP53), 11q(ATM), 12 centromere and 13q(D13S319,LAMP1). IgH/CCND1 is being added to this panel.

Clinical Info

Prognostic indicator for patients with CLL (Chronic Lymphocytic Leukemia).