Name: Leukemia/ Lymphoma Screen, CSF
Test Name: Leukemia/ Lymphoma Screen, CSF
Health Link Test Code: HCCFLLREV
LIS Test Code: CFLLREV
CPT Code(s): 89051
Supernatant color, nucleated cell count, red blood cell count and differential performed from a Wright's stained cytospin.
Methodology: Manual or Impedance Count
CSF morphology analysis from patients with known or suspected leukemia or lymphoma.
Days Performed: Daily, 24 hours.
In-Lab Turnaround Time: Differential- 1 day. May be delayed if review by a pathologist is necessary.
Stat In-Lab Turnaround Time: Cell count 1 hour.
Specimen: Cerebrospinal fluid (CSF) or ventricular fluid
Collection Container: Numbered specimen tube from sterile disposable lumbar puncture tray
Also Acceptable: Sterile container
CSF samples for morphology analysis from patients with known or suspected leukemia or lymphoma only. Indicate collection tube number. Specimen must be placed in container that does not contain an anticoagulant.
Collection Volume: 1 mL
Pediatric Collection Volume: 0.5 mL
Sample Analyzed: Cerebrospinal fluid (CSF) or ventricular fluid aliquot
Testing Volume: 1 mL
Pediatric Testing Volume: 0.5 mL
Transport specimen to UWHC Hospital Laboratory immediately. Transport with coolant pack if coming from clinic location.
Grossly bloody samples that are clotted are not acceptable.
|Nucleated Cell Count (NCC)||<13 years||0-10 cells/uL|
|Nucleated Cell Count (NCC)||>=13 years||0-5 cells/uL|
|Red Blood Cell Count (RBC)||all ages||0 cells/uL|
A hematopathologist's written interpretive report is issued as a separate report.
Very small sample sizes may fail to demonstrate abnormal cells.
Critical Calls: yes
Differential results may not be available until after pathology review. A professional fee may be associated with this test. Cell counts are included with this test, a separate order is not necessary. See separate Laboratory Test Directory entries for body fluid cell counts.