Test Catalog

Test ID: CLLF    
Chronic Lymphocytic Leukemia (CLL), FISH, Varies

Useful For Suggests clinical disorders or settings where the test may be helpful

Detecting a neoplastic clone associated with the common chromosome abnormalities seen in patients with chronic lymphocytic leukemia (CLL)


Identifying and tracking known chromosome abnormalities in patients with CLL and tracking response to therapy


Distinguishing patients with 11;14 translocations who have leukemic phase of mantle cell lymphoma from patients who have CLL


Detecting patients with atypical CLL or other forms of lymphoma associated with translocations between IGH and BCL2, BCL3, or other partner genes

Reflex Tests Lists tests that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial tests.

Test IDReporting NameAvailable SeparatelyAlways Performed
_PBCTProbe, +2No, (Bill Only)No
_PADDProbe, +1No, (Bill Only)No
_PB02Probe, +2No, (Bill Only)No
_PB03Probe, +3No, (Bill Only)No
_IL25Interphases, <25No, (Bill Only)No
_I099Interphases, 25-99No, (Bill Only)No
_I300Interphases, >=100 No, (Bill Only)No

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

This test includes a charge for application of the first probe set (2 FISH probes) and professional interpretation of results. Additional charges will be incurred all reflex probes performed. Analysis charges will be incurred based on the number of cells analyzed per probe set. If no cells are available for analysis, no analysis charges will be incurred. See the Method Description for specific details.


Indicate if the entire panel is to be performed. The entire panel is suggested for patients with a new diagnosis of chronic lymphocytic leukemia (CLL). If the patient is being tracked for known abnormalities or disease progression, indicate which probes should be used.


Panel includes testing for the following abnormalities using the probes listed:

6q-, D6Z1/MYB

11q-, D11Z1/ATM

+12, D12Z3/MDM2

13q-, D13S319/LAMP1

17p-, TP53/D17Z1

t(11;14), CCND1/IGH


When an IGH rearrangement is identified, reflex testing will be performed to identify the translocation partner. Probes include identification of t(14;18)(q32;q21) IGH/BCL2 and t(14;19)(q32;q13) IGH/BCL3.


This assay detects abnormalities observed in the blood and bone marrow of patients with CLL. If a paraffin-embedded tissue sample is received, this test will be cancelled and SLL / Small Lymphocytic Lymphoma, FISH, Tissue will be added and performed as the appropriate test.

Method Name A short description of the method used to perform the test

Fluorescence In Situ Hybridization (FISH)

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test


Aliases Lists additional common names for a test, as an aid in searching

6q- (6q deletion) or MYB
11q- (11q deletion) or ATM
13q- (13q deletion) or LAMP1
17p- (17p deletion) or TP53
t(11;14)(q13;q32) - CCND1/IGH