Test Name: High Sensitivity PNH Evaluation  


Methodology: Flow Cytometry


Test Description

Markers are CD14, CD15, CD24, CD45, CD59, CD64, CD235a (Glycophorin A), and FLAER. The sensitivity of this assay is 0.01% for granulocyte and monocyte PNH clones and 0.01-0.1% for RBC PNH clones. This assay is consistent with the most recent International Clinical Cytometry Society (ICCS) Guidelines.


Specimen Requirements

•Peripheral blood: 5 ml (1-2 mL minimum) EDTA or sodium heparin tube. Please provide recent CBC report. Bone marrow specimens are not acceptable.


Storage and Transport

Maintain specimen at room temperature. Do not refrigerate or freeze. Use cold pack for transport, making sure cold pack is not in direct contact with specimen.


Specimen Rejection Criteria

Click here to reference the specimen rejection criteria.


Turn Around Time (TAT): 24 hours


CPT Codes*: 88184(x1), 88185(x7), 88187(x1)


*The CPT codes provided with our Test Descriptions are based on AMA guidelines and are for informational purposes only. Correct CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed.