Cell Count, Cerebrospinal Fluid

TEST: 005256
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CPT: 89051
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Synonyms

  • Cerebrospinal Fluid Cell Count
  • CSF Analysis
  • Lumbar Puncture
  • Spinal Fluid Analysis

Test Includes

Differential counts; RBC; WBC

Special Instructions

Transport to laboratory as soon as possible.

Expected Turnaround Time

Within 1 day

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Documents

Specimen Requirements

Specimen

Cerebrospinal fluid (CSF)

Volume

1 mL

Container

Sterile, capped tubes

Storage Instructions

Refrigerate. Transport to the laboratory as soon as possible.

Patient Preparation

Usual aseptic aspiration technique

Causes for Rejection

Improper labeling; quantity not sufficient for analysis; frozen specimen; specimen more than 24 hours old

Test Details

Use

Evaluate bacterial or viral encephalitis, meningitis, meningoencephalitis, mycobacterial or fungal infection, primary or secondary malignancy, leukemia/malignant lymphoma of CNS, trauma, vascular occlusive disease, heredofamilial, and/or degenerative processes

Methodology

Microscopic and macroscopic examination

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
005256 Cell Count, CSF 005257 Color, CSF 10335-8
005256 Cell Count, CSF 005258 Clarity, CSF 9374-0
005256 Cell Count, CSF 152108 Nucleated Cell, CSF cells/uL 58470-6
005256 Cell Count, CSF 152116 RBC, CSF /uL 792-2
005256 Cell Count, CSF 152124 Neut, CSF % 13516-0
005256 Cell Count, CSF 152140 Lymphs, CSF % 10328-3
005256 Cell Count, CSF 152155 Macrophages, CSF % 12229-1
005256 Cell Count, CSF 152173 Eosinophils, CSF % 12208-5
005256 Cell Count, CSF 152199 Comment: 20998-1

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CPT Statement/Profile Statement

The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf