Sign in →

Test Code CSFCC CELL COUNT W DIFF, CSF

Important Note

Note:

  • This test is performed on the last tube collected
  • Specimen must arrive within 2 hours of collection

Methodology

Light Microscopy

Includes color, clarity, xanthochromia, WBC count, RBC count, and differential if indicated.

 

Useful for diagnosing abnormalities or possible infections of the CSF.

Specimen Requirements

Specimen must arrive within 2 hours of collection.

 

Container/Tube: Sterile tube(s)-Anticoagulant tube is not acceptable.

Specimen Volume: 1 mL of CSF

Collection Instructions:

  1. Aseptically collect at least 1 mL to 2 mL of CSF from lumbar puncture. Contamination with normal flora from skin or other body surfaces must be avoided.
  2. Divide CSF into 1 to 4 screw-capped, sterile tubes.
  3. Tubes must be numbered in order of draw 1, 2, 3, 4 with tube #1 representing first portion of specimen collected.
  4. Promptly hand deliver to laboratory. (Do not send in pneumatic tube system).

Day(s) Test Set Up

Monday through Sunday

Reference Values

COLOR

    Colorless

 

CLARITY

    Clear

 

XANTHOCHROMIA

    Absent

 

WBC

0-1 months: 0-30 cells/µL

1 month -1 year: 0-10 cells/µL

Adults: 0-5 cells/µL

 

CRITICAL VALUES (automatic call-back):

0-1 month: >30 cells/µL

1 month to 1 year: >10 cells/µL

Adults: >5 cells/µL

 

 

NEUTROPHILS

Neonate (birth to 1 month): 0%-8%

1 month to 1 year: 0%-6%

Adult: 0%-6%

 

LYMPHOCYTES

Neonate (birth to 1 month):  5%-35%

1 month to 1 year: 40-80%

Adult: 40%-80%

 

MONOCYTES AND MACROPHAGES

Neonate (birth to 1 month: 50%-90%

1 month to 1 year: 15%-45%

Adult: 15%-45%

 

Performing Laboratory

Logan Health Medical Center Laboratory

Test Classification and CPT Coding

89057-CSF count, with differential (if appropriate)

Specimen Transport Temperature

Ambient/Refrigerate NO/Frozen NO