Cell Count and Differential, CSF

Test Code

398

CPT Code(s)

89051

Test Code

398

CPT Code(s)

89051

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano | Quest Nichols Institute -San Juan Capistrano, CA. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Cell Count and Differential, CSF - CSF examination is helpful in the detection and diagnosis of central nervous system disease such as acute bacterial meningitis, encephalomyelitis, polyneuritis, brain tumor, cerebral thrombosis and hemorrhage

Test Resources

None found for this test
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Test Details

Includes

Appearance, Color, RBC Count, Total Nucleated Cell, Neutrophils %, Lymphocytes %, Monocyte/Macrophage %, and Eosinophils %

Methodology

Microscopy Visual Examination

Reference Range(s)

See Laboratory Report

LOINC® Codes, Performing Laboratory

Service Area must be determined

Includes

Appearance, Color, RBC Count, Total Nucleated Cell, Neutrophils %, Lymphocytes %, Monocyte/Macrophage %, and Eosinophils %

Methodology

Microscopy Visual Examination

Reference Range(s)

See Laboratory Report

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

1 mL CSF

Minimum Volume

0.5 mL

Transport Container

Plastic sterile collection tube #3 in collection of CSF sample

Transport Temperature

Room temperature

Specimen Stability

Room temperature and refrigerated: STAT testing recommended due to cellular degeneration upon standing. Viability of specimen will be determined when it is received in the laboratory.
Frozen: Unacceptable

Reject Criteria

Clotted

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

1 mL CSF

Minimum Volume

0.5 mL

Transport Container

Plastic sterile collection tube #3 in collection of CSF sample

Transport Temperature

Room temperature

Specimen Stability

Room temperature and refrigerated: STAT testing recommended due to cellular degeneration upon standing. Viability of specimen will be determined when it is received in the laboratory.
Frozen: Unacceptable

Reject Criteria

Clotted

Setup Schedule

Service Area must be determined

In-home collection is not available in your area through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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