Eosinophil Count, Blood

Eosinophil Count, Blood

Test Code

425
85004, 85048
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
425
85004, 85048
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
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 may be available in your area for purchase through Quest Mobile.

Clinical Significance

Eosinophil Count, Blood - See available Test Resources

Test Resources

Clinical Focus

Autoimmune Rheumatic and Related Diseases

Test Details

Methodology

Electronic Counting and Sizing/Cytometry/Microscopy

Reference Range(s)

See Laboratory Report

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Electronic Counting and Sizing/Cytometry/Microscopy

Reference Range(s)

See Laboratory Report
Service Area must be determined

Preferred Specimen(s)

Whole blood from a full EDTA (lavender-top) tube

Alternative Specimen(s)

Whole blood from a full EDTA (tan-top) tube

Minimum Volume

Microtainer 0.5 mL • 1 mL whole blood EDTA tube

Collection Instructions

Maintain specimen at room temperature. Do not refrigerate. If multiple draw, collect EDTA (lavender-top) tube last. Traumatic draw can introduce thromboplastin and trap WBC and platelets. Refrigeration can precipitate fibrin and trap WBC and platelets.

Note: If drawn with lead testing, EDTA (tan-top) is required.

Transport Container

EDTA (lavender-top) tube

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 48 hours
    Refrigerated: 48 hours
    Frozen: Unacceptable

Reject Criteria

Gross hemolysis • Clotted • Specimen quantity not sufficient • Age of specimen

Setup Schedule

Service Area must be determined
Whole blood from a full EDTA (lavender-top) tube
Whole blood from a full EDTA (tan-top) tube
Microtainer 0.5 mL • 1 mL whole blood EDTA tube
Maintain specimen at room temperature. Do not refrigerate. If multiple draw, collect EDTA (lavender-top) tube last. Traumatic draw can introduce thromboplastin and trap WBC and platelets. Refrigeration can precipitate fibrin and trap WBC and platelets.

Note: If drawn with lead testing, EDTA (tan-top) is required.
EDTA (lavender-top) tube
Room temperature
Room temperature: 48 hours
Refrigerated: 48 hours
Frozen: Unacceptable
Gross hemolysis • Clotted • Specimen quantity not sufficient • Age of specimen
Service Area must be determined
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 may be available in your area for purchase 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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