Arthralgias / Arthritis associated with Acute or Chronic Hep BAcute Hep B — ↑ ALT / AST (usually >400). Diagnose by:
- HepB surface Antigen (HBsAg)
- Anti-HepB core IgM Antibody (Anti-HBcAB IgM)
- Dx: HBsAg Pos
- Anti-HepB core IgG Antibody Pos, IgM negative
- [actually, IgM fraction may be Pos during a flare]
See also postings Chronic Hepatitis and Polyarthralgias.