Serum neutralizations will be routinely screened and reported at the screening dilution listed in the chart below. If an endpoint dilution is desired, that test code must specifically requested on the submission form.
| Assay | Screening test code | Screening dilution | Endpoint test code | Endpoint dilution |
| BVDV 1 & 2 SN | 40108 | 1:8 | 40121 | 1:8192 |
| EHDV 1 & 2 SN | 40134 | 1:8 | 40147 | 1:8192 |
| VSV SN
*Any result POS @>=1:32 is referred to NVSL for confirmation. |
40160 | 1:32 | N/A | N/A |
| OIE method for BHV-1 (IBR) SN | 40069 | 1:8 | 40082 | 1:2048 |
| BHV-1 (IBR) SN*
*Should only be used for diagnostic or abortion cases. |
N/A | N/A | 40056 | 1:8192 |
40108 Bovine viral diarrhea virus Type 1 & Type 2 Serum Neutralization
40121 Bovine viral diarrhea virus Type 1 & Type 2 Serum Neutralization (titered to endpoint)
40134 Epizootic hemorrhagic disease virus Type 1 & Type 2 Serum Neutralization
40147 Epizootic hemorrhagic disease virus Type 1 & Type 2 Serum Neutralization (titered to endpoint)
40160 Vesicular stomatitis virus strain New Jersey & Indiana Serum Neutralization
40069 Bovine herpesvirus Type 1 Serum Neutralization (OIE Method)
40082 Bovine herpesvirus Type 1 Serum Neutralization (OIE Method) (titered to endpoint)
40056 Bovine herpesvirus Type 1 Serum Neutralization (titered to endpoint)