Posted Date
Effective Date
Test Name
Neurosyphilis IgG Ab Index w/VDRL, CSF
Update Type
Test Code Change
CPT Code
86780
Order Code
NSAIP
NEW ORDER CODES
Neurosyphilis IgG Antibody Index with VDRL, Serum and Spinal Fluid
Order Code: NSAIP
Fee Code: AB190 (CPT 86780)
Reference Laboratory: Mayo NSAIP
Mayo Clinic Laboratories replaced their VDRL Spinal Fluid assay with Neurosyphilis IgG Antibody Index with VDRL, Serum and Spinal Fluid (see MLabs Test Update 906). Please note the following new order codes and fee codes available for this assay and reflex testing effective June 11, 2025.
| Order Code | Fee Code | Description | CPT | Quantity | Reference Lab ID |
| NSAIP | AB190 | T PALLIDUM IGG CSF | 86780 | MAYO NSAIP | |
| VDSFT | AB191 | VDRL QUANT CSF | 86593 | MAYO VDSFT | |
| NSAI | AB192 | NEUROSYPHILIS AB INDEX IGG | 82784 | 2 | MAYO NSAI |
| NSAI | AB193 | NEUROSYPHILIS AB INDEX ALBUMIN SER | 82040 | MAYO NSAI | |
| NSAI | AB194 | NEUROSYPHILIS AB INDEX ALBUMIN CSF | 82042 | MAYO NSAI | |
| NSAI | AB195 | NEUROSYPHILIS AB INDEX T. PALLIDUM AB | 86780 | 2 | MAYO NSAI |