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Epic Code LAB212 Cell Count, with Differential, Cerebrospinal Fluid (Oncology)

Important Note

This test is built specifically for Oncology patients. This should not be used for other patients.

Do not send specimen through pneumatic tube system. Specimen must be received in lab within one hour of collection.

Xanthochromia is assessed by visual inspection. If the appropriate history and symptoms are present, CSF xanthochromia is suggestive of subarachnoid blood, either as part of an inflammatory reaction such as meningitis, or after subarachnoid hemorrhage (SAH). Xanthochromia must be viewed within the appropriate clinical context.

Test Name Alias

Cerebrospinal Fluid Analysis | Cell Count w/ Differential CSF | 4230

Interface Order Alias


Quick Collect


Ordering Instructions

This test is built specifically for Pediatric Oncology patients. This should not be used for other patients.

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: 2.0 mL

Neonate Volume to Collect: 1.0 mL


Collection Instructions:

  • Number containers/tubes in order of collection.
  • 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)

  • Lab Testing is performed using the following tube order regardless of label:
    • 1) Chemistry, 2) Microbiology, 3) Hematology, 4) Extra
  • Transport Temperature: Room Temperature

Lab Staff Instructions

Lab Central Staff: All CSF specimens to Hematology first.

Rejection Criteria

  • Frozen Specimens

Specimen Stability

Ambient: 1 hour

Refrigerated: 1 hour


Laboratory Retention: 30 days

Reflex Information

Link: Mandatory Reflex approved by MEC

Test Frequency

Available 24 hours a day 7 days a week.

Reference Range

CSF: appearance should be colorless and clear

WBC ≤5 cells/uL

RBC≤0 cells/uL

The reference range data is summarized/complied from published literature


Performing Department


Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Zeeland Laboratory, Zeeland, MI


Hemocytometer (Microscopy)

Clarity and Color, including Xanthochromia: assessed by visual inspection

Cell counts and differential: Manual hemocytometer cell counts and manual differential on cytospin preparations


89050 (Cell Count Only)
89051 (Differential+ Cell Count)

CDM Code


Epic Test ID



Volume CSF: 17607-3

Tube Num CSF: 19157-7

Tube 1 Color : 10335-8

Tube 1 Clarity: 49736-2

Tube 1 Xantho: 13532-7

WBC, Tube 1: 806-0

CSF RBC Tube 1: 792-2

Tube 2 Color: 10335-8

Tube 2 Clarity: 49736-2

Tube 2 Xan: 13532-7

Tube 3 Color: 10335-8

Tube 3 Clarity: 49736-2

Tube 3 Xan: 13532-7

WBC, Tube 2: 46088-1

RBC Tube 2: 46087-3

WBC, Tube 3: 46089-9

RBC Tube 3: 46091-5

Basos CSF: 55771-0

Blasts CSF: 56470-8

Eos CSF: 55778-5

Immature Cells CSF: 55794-2

Lymphs CSF: 55787-6

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