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Alphabetical Index
CD19 (8000100569)
Test Mnemonic:

CD19
Specimen Requirements:
Collection:

Routine venipuncture. EDTA (Lavender-top tube); pediatric tube acceptable
Container:

EDTA (Lavender-top tube)
Storage/Transport:

Store at room temperature (18-22°C). DO NOT REFRIGERATE.
Stability:

 48 hours at room temperature.

Causes for Rejection:

 Clotted, QNS, hemolysis, identification error, specimen refrigerated, specimens received on weekend and holidays, specimen received after noon cut off on Fridays.

 
Methodology:

Flow Cytometry
Performed:

Samples are accepted in Sample Management, Monday-Thursday (8AM-5PM). Friday cut-off time is noon.
Turnaround Time:

48 hours
Reference Range:

By report (reports may vary based on patient age and sex)
CPT 4 Code:

86355
Note:

If applicable, state clinical information that is required to be provided with specimen.
Clinical Indication:

Aids in the monitoring of B-cells in patients.
Effective Date: 07/15/2019
Reviewed By/Date: Qian, You-wen - 12/17/2018
Approved By/Date: Lyapichev, Kirill - 05/03/2024
When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent.

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