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Test Code CSF Cnt CELL COUNT - CSF

Patient Preparation

Sterile collection with specimen transported in a sterile container

Special Collection Instructions

Sterile, not clotted, properly labeled to include specimen source

Collection Method

Distribution Order

 

Tube #1

Chemistry and Immunology tests

Tube #2

Cultures and other Microbiology tests

Tube #3

Cell counts and differentials

Tube #4

Cytology

Minimum Volume

2 mL

Container

Sterile CSF Tube

Preferred Specimen

CSF

Acceptable Specimen(s)

CSF

Reference or Target Ranges

Normal Values:

 

 

Color

Colorless to Yellow

 

Clarity

Clear

 

 

Cutoff Values:

Adults

Neonates

White Blood Cells

0.0-5.0/uL

0-30/uL

Lymphocytes

0.0-4.0/uL

0.0-7.0/uL

M/M/H

0.0-2.0/uL

0.0-18.0/uL

Neutrophils

0.0-1.0/uL

0.0-2.0/uL

Eosinophils

Rare

Rare

Red Blood Cells

0

0

Critical Value

Nucleated Cells

30 uL

Segmented Cells

5

Lymphocytes

20

M/M/H/uL

25

Reasons for Rejection

Other:

QNS, contaminated, Improperly labeled, Improper specimen type

Specimen Stability

Ambient

1 Hour

Performance Information

Days and Time Performed

24/7

Expected Turn Around Time

STAT: 1 hour, Routine:  4 hours

Stat Availability

Yes

Performing Bench

CRMC Chemistry

Methodology/Method Description

Atellica

Additional Information / Important Notes

CSF differentials are added to CSF counts when 1 or more WBCs are present in the cell count.

Special Handling

Room Temperature

Methodology/Method Description

Manual Count / Manual Differential – CSF counts are performed manually by skilled laboratory techs.

CPT Codes

89050