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Test Code CSFW2 Cerebrospinal Fluid (CSF) Workup (2 Tube Count)

Methodology

Manual Cell Count and Differential Examination

Includes clarity, color, total volume, microscopic examination for RBCs and WBCs on tubes #1 and #4 (first and last), xanthrochromia, and differential cell count on last tube only.

Testing is performed on tubes #1 and #4 of tubes submitted.

Performing Laboratory

Sky Lakes Medical Center-Hematology

Specimen Requirements

Specimen Type: Spinal fluid

Container/Tube: Sterile vial

Specimen Volume: 1 mL

Collection Instructions: Rejection criteria include unlabeled tube; or insufficient, clotted, or refrigerated specimen.

Specimen Transport Temperature

Ambient/Refrigerate NO

Reference Values

WBC

Adults: 0-5/microliter
Children <1 year of age: 0-30/microliter
Children 1 to 4 years of age: 0-20/microliter
Children 5 years of age to puberty: 0-10/microliter

Day(s) Test Set Up

Monday through Sunday

Available STAT

Test Classification and CPT Coding

82945-Glucose
84157-Protein, total
89050-Cell count