Posted Date
Effective Date
Update Type New Tests
CPT Code 86769
Order Code COVTN



SARS-CoV-2 Total Antibody, Nucleocapsid, Qualitative

Soft code:                                COVTN

CPT Code:                               86769


Effective March 10, 2021, MLabs will offer SARS-CoV-2 Total Antibody, Nucleocapsid, Qualitative (COVTN).


Test Usage: This test provides qualitative detection of serum antibodies against nucleocapsid protein of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and it is intended for use as an aid in identifying individuals with an adaptive immune response to SARS-CoV-2, indicating recent or prior infection. This test will not yield positive results following vaccination with most vaccines (e.g., Pfizer, Moderna, AstraZeneca). Recommend correlation with vaccine manufacturers’ specified formulation.


Collection Instructions: Collect 3 mL of whole blood in a serum separator tube (SST). Centrifuge and aliquot serum into a plastic vial. Ship the specimen refrigerated.  


Methodology:  Electrochemiluminescence


Test Analysis: Test performed on Wednesday, 1-9 day turnaround time


Reference Range: <1.0 Negative, ≥ 1.0 Positive