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Test Code
ICFA
Test Name
ImmuKnow ®
CPT Codes
86352
Expected Turnaround Time
1 - 3 days
Clinical Utility
ImmuKnow is an immune cell function assay that detects cell-mediated immunity in an immunosuppressed population. The assay detects cell mediated immunity by measuring the concentration of ATP from CD4 cells following stimulation.
Specimen and Container Info

Specimen Type: Whole Blood

Collection Container: Green Top (Sodium Heparin)

Desired Specimen Volume: 2 mL
Collection Instructions
  1. Collect a green top (sodium heparin) tube via venipuncture between 8 a.m. - 12 p.m. Monday - Thursday only.
Processing and Submission Instructions
  1. A scheduled courier is required for specimen transport.
  2. Label specimen with a room temperature sticker.
  3. Transport 2 mL of whole blood in the original collection container at room temperature. Do not refrigerate or freeze.
Transport Instructions

Transport to the laboratory at room temperature.  
Stability Requirements

Room Temperature

30 hours

*Short Stability
Causes for Rejection
  • Whole blood frozen, refrigerated, clotted, or received in transfer tube
  • Specimen will be rejected if greater than 30 hours old
Methodology
IMMUKNOW ®
Reference Intervals

 See patient report.
Limitations

Results of the ImmuKnow assay should be used in conjunction with clinical presentation, medical history, and other clinical indicators when establishing the immune status of a patient. This is a qualitative assay; therefore, the result does not quantify the level of immunosuppression.
Reference Lab
Viracor Eurofins
Testing Schedule
Varies
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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