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Test Code BF CELL DIFF CSF Cell Count with Differential, CSF

Additional Codes

LAB212

Collection Method

Lumbar puncture or CSF shunt

Minimum Volume

0.5ml

Container

Sterile CSF Collection Tube

Acceptable Specimens

CSF

Reference or Target Ranges

WBC (/mm³) 0-4
RBC’s (/mm³) 0-2

 

Reportable Units

/mm³

Critical Value

 WBC ≥ 5/mm³

Reasons for Rejection

Hemolysis Threshold N/A
Icterus Threshold N/A
Lipemia Threshold N/A
Other Clotted; QNS, Contaminated; improperly labeled

Specimen Stability

Ambient 2 hours
Refrigerated (4°C to 8°C) N/A
Frozen(-40°C to 0°C) N/A

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Stat: with one hour of arrival in lab
Routine: Within 4 hours of arrival in lab (Try to complete within 2 hours)
Stat Availabilty Yes
Performing Bench CPH Hematology
Methodology/Method Description Manual Count / Manual Differential

CPT Codes

89051

Last review/edit date

March 2024