Enzyme immunoassay (EIA)
Increased levels of neopterin are found during impaired renal function and viral infection in transplant patients. Elevated levels are also indicators for conditions related to impaired cellular immunity.
Adults: <2.5 ng/mL
5 - 15 days
Collect specimen in an SST or red top tube, and wrap to protect from light. Spin and aliquot into an amber screw capped, PFL tube. Send to Specimen Processing frozen
Test sent to Mayo Clinic Laboratories, performed by Labcorp-Burlington