Posted Date
Effective Date
Test Name
Neurofilament Light Chain, Plasma
Update Type
Test Code Change
CPT Code
0361U
Order Code
NFLC
TEST ID UPDATE
Neurofilament Light Chain, Plasma
Order Code: NFLC
Fee Code: AB146 (CPT 0361U)
Reference Laboratory: Mayo NFLC
New Reference Lab: Mayo NFLP
New Fee Code: AB186 (CPT 83884)
Mayo Clinic Laboratories will replace their test ID NFLC with test ID NFLP effective March 18, 2025, due to a testing platform change. The new assay will be performed using a Chemiluminescent Enzyme Immunoassay test methodology.
Collection Instructions: Collect specimen in a lavender top tube. Centrifuge, aliquot 0.6 mL (minimum 0.5 mL) of EDTA plasma into a plastic vial, and refrigerate.