Inappropriate Viral Hepatitis Testing Criteria
| Data Collection Period | Test | Inappropriate Test Criteria |
|---|---|---|
| First and second intervention | Anti-HAV IgM | ALT and AST <250 U/L or prior positive anti-HAV total antibody positive (>6 months prior) |
| Anti-HBc IgM | ALT and AST <250 U/L or prior positive anti-HBs antibody positive (>6 months prior) | |
| Second intervention only | Anti-HAV total | Prior anti-HAV total antibody positive |
| Anti-HBc total | Prior anti-HBc total antibody positive | |
| Anti-HCV | Prior anti-HCV or HCV RNA positive |
ALT, alanine aminotransferase; anti-HAV IgM, hepatitis A virus immunoglobulin M antibody; anti-HAV total, hepatitis A virus total antibody; anti-HBc IgM, hepatitis B virus core immunoglobulin M antibody; anti-HBc total, hepatitis B virus core total antibody; anti-HBs, hepatitis B virus surface antibody; anti-HCV, hepatitis C virus antibody; AST, aspartate aminotransferase; HCV RNA, hepatitis C virus RNA.