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Test Code LAB2111025 Cell Count w/ Differential if indicated, Cerebrospinal Fluid

Important Note

Specimen must be received in lab within one hour of collection.

Do not send specimen through pneumatic tube system.

Test Name Alias

Cell Count w/ Differential if indicated CSF | Cell Count with Differential if indicated CSF | Cerebrospinal fluid | Cell CNT | Cerebrospinal fluid analysis | WBC CSF| 10

Collection Instructions

Specimen Collection: Cerebral Spinal Fluid (CSF)


Container(s): 1 or more sterile plastic tubes

Preferred Volume to Collect: 5.0 mL

Minimum Volume to Collect: 1.0 mL

Neonate Volume to Collect: 1.0 mL


Collection Instructions:

  • Label container with patient information, specimen source, and date of collection.
  • Specimen must be received within one hour of collection.
  • Hand deliver to laboratory, do not send through pneumatic tube system.

Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: CSF


Centrifuge/Spin: No

Aliquot: No


Processing Instructions:

  • Lab Testing is performed using the following tube order regardless of label:
    • 1) Hematology, 2) Microbiology, 3) Hematology, 4) Chemistry
    • With on ly 3 tubes: 1) Heme/Chemistry, 2) Microbiology, 3)Hematology

Transport Temperature: Room Temperature

Specimen Stability

Laboratory Retention: 30 days (United Laboratory: 14 days)

Reflex Information

Mandatory Reflex approved by MEC

  • Cerebrospinal Fluid (CSF) RBC Cell Count greater than or equal to (≥) 25 cells in tube 3, additional count of tube 1 will be performed
  • Cerebrospinal Fluid (CSF) WBC Cell Count greater than (>) 0, in tube 3, a manual differential will be performed

Test Frequency

Available daily, usual TAT 1 hour for Cell Count, 24 Hours for Differential

Reference Range

Total Nucleated Cell Count (WBC): 0 – 5 /uL

Performing Department


Performing Department Laboratory Location

Spectrum Health Regional Laboratory, Grand Rapids, MI
Spectrum Health Big Rapids Laboratory, Big Rapids, MI
Spectrum Health Blodgett Laboratory, Grand Rapids, MI
Spectrum Health Gerber Laboratory, Fremont, MI
Spectrum Health Ludington Laboratory, Ludington, MI
Spectrum Health Pennock Laboratory, Hastings, MI
Spectrum Health Reed City Laboratory, Reed City, MI
Spectrum Health United Laboratory, Greenville, MI
Spectrum Health Zeeland Laboratory, Zeeland, MI


Manual or automated, using electronic resistance for RBC count and flow cytometry with a semiconductor laser for WBC counts. (Gerber performs on the IRIS)


89050 (Cell Count Only)

89051 (Differential+ Cell Count)

89050 (Reflex: Count tube 1)

CDM Code


4064230 (differential)

4068951 (reflex)

Epic Test ID


Interface Order Alias



Volume CSF: 17607-3

Tube Num CSF: 19157-7

CSF Color: 10335-8

CSF Clarity: 49736-2

CSF Xantho: 13532-7

CSF WBC Count: 806-0

CSF RBC Count: 792-2

Tube 2 Color: 10335-8

Tube 2 Clarity: 49736-2

Tube 2 Xan: 13532-7

Man Diff Y/N: N/A

Basos CSF: 55771-0

Blasts CSF: 56470-8

Eos CSF: 55778-5

Immature Cells CSF: 55794-2

Lymphs CSF: 55787-6

Lymphoma cells Man CSF: 55794-2

Macrophage CSF: 55794-2

NRBC CSF: 55780-1

Segs CSF: 55791-8

Cells in Diff: 19075-1


Plasma Cells CSF:

Lymphoma Cells CSF: 55794-2

Other Cells CSF:


Reviewed Date