- Increased: Streptococcal infections (pharyngitis, scarlet fever, rheumatic fever, poststreptococcal glomerulonephritis), RA, and other collagen vascular dz
Antistreptolysin O (ASO) Titer (Streptozyme)
- Increased: Streptococcal infections (pharyngitis, scarlet fever, rheumatic fever, poststreptococcal glomerulonephritis), RA, and other collagen vascular dz