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Lab Test Dictionary
Type I and II Interferon (IFN) Signature Quantitation by Flow Cytometry (T1A2MP)
Methodology
Flow Cytometry
Specimen Type
Whole Blood
Performing Lab
Nationwide Children's Hospital, Core Lab, Diagnostic Immunology
Epic ID
Other Reference Test
Lab Test Days
Monday-Friday
Collection Information
Specimen Required
3 mL Blood
Container Type
Lavender EDTA
Collection Instructions
Specimen must be received by Nationwide within 72 hours of collection. Collect Mon-Wed or Thursday before Noon. Lavender EDTA preferred, Green top (Na Hep) also acceptable
Processing Information - Lab Use Only
Transport Temperature
Room Temp
Specimen Stability
Room Temp=72 Hours
Rejection Criteria
Clotted, Refrigerated, Specimen received past stability
Test Volume Required
3 mL Blood
Minimum Test Volume
2 mL Blood
Processing Instructions
Must be received by Nationwide within 72 hours of collection. Include Nationwide Test Requisition & Monocyte Type I and II Interferon (IFN) Signature Quantitation by Flow Cytometry (T1A2MP) Patient Information Form.
Included Tests
CD45, CD14, CD169 (Siglec-1), CD274 (PD-L1)
CPT Codes
86356 x 4
Revised
7/22/25