CSF Cell Count w/ Diff (CSF)

Department: Hematology
Test Synonym(s): LAB212, CSF, CSF Cell Count with Differential
CPT Codes: 89051
Methodology: Manual cell count and Wright stain differential.
Reference Range: Adults: 0 - 5 Mono-nuclear cells/mcL. Neonates: Not established; mono-nuclear cells/mcL varies with the amount of blood present.
Tube Type: Body fluid container
Specimen: CSF
Volume: 1 mL
Minimum Volume: 1 mL
Stability: Deliver to the lab immediately
Reasons for Rejection: QNS, clotted, specimen age
Days Performed: Daily
Times Performed: Continuous
TAT: Stat: 1 hour
Special Instructions: MD to collect - deliver to the lab immediately

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