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Test Code
CD19S
Test Name
CD19 Profile
CPT Codes
86355
Included Tests

CD19 Absolute Count and CD19 Percent
Expected Turnaround Time
1 - 4 days
Clinical Utility

Evaluation of patient's immune status.
Specimen and Container Info

Specimen Type: Peripheral Blood

Specimen Container: Lavender Top (EDTA)

Desired Specimen Volume: 3 mL

Minimum Specimen Volume: 1 ml
Processing and Submission Instructions

If collecting on a Friday before a Monday holiday, the sample must be received in the Flow Cytometry Department by 1600. Call the Flow Cytometry Department with any questions.
Transport Instructions

Transport to the laboratory at room temperature.
Stability Requirements

Room Temperature

72 hours
Causes for Rejection
  • Specimens greater than 72 hours old
  • Refrigerated specimens
  • Frozen specimens
  • Hemolyzed specimens
  • Clotted specimens
  • Incorrect specimen type
  • Incorrect specimen container
Methodology
Flow Cytometry
Performing Location
Roble Road Core Laboratory
Alternate Names
  • CD19 Percent and Absolute Count by Flow Cytometry
  • CD19, B Cells
  • B Cell Enumeration by Flow Cytometry
Testing Schedule
Routine, Monday - Friday no holidays
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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