Posted Date
Effective Date
Update Type Test Discontinued
Order Code NSYPH
Referral Laboratory Mayo Medical Laboratories



Syphilis Total Antibody

Order Code:                  SYPHN

Fee Code:                     32081

Reference Laboratory: Mayo SYPHN


New Order Code:          NSYPH New Reference Lab:      NSYPH


Effective February 2, 2022, Mayo Medical Laboratories has discontinued the Syphilis Total Antibody (SYPHN) assay due to manufacturer reagent back order. The recommended alternative test is Syphilis IgG Enzyme Immunoassay (NSYPH). There will be no change to price, fee code, or CPT code for this assay.


Collection Instructions: Collect specimen in an SST tube. Aliquot 0.6 mL (minimum 0.5 mL) of serum into a plastic vial and freeze.


Reference Range: Nonreactive