Test Overview
Test Methodology

Enzyme immunoassay (EIA)

Test Usage

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.

Reference Range *

Adults: <2.5 ng/mL

Test Details
Days Set Up
Wednesday
Analytic Time

5 - 15 days

Soft Order Code
FNEOS
MiChart Code
FNEOS
Laboratory
Sendout
Reference Laboratory
Mayo FNEOS (Labcorp-Burlington)
Section
Special Testing
Specimen Requirements
Collection

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

Rejection Criteria
Not protected from light
Yellow Top Tube
Red Top Tube
Normal Volume
0.8 mL serum
Minimum Volume
0.5 mL serum
Storage Temperature
Frozen preferred, refrigerated ok for 72 hours
Additional Information

Test sent to Mayo Clinic Laboratories, performed by Labcorp-Burlington

Billing
CPT Code
83520
Fee Code
AA629
NY State Approved
No