Search
S100A8/A9 in serum (calprotectin in serum)
Indications:
- diagnosis of acute appendicitis (investigational)
Reference interval:
- < 20 unit (appendicitis > 20 units)
Clinical significance:
- sensitivity 93%, specificity 54% for appendicitis
- negative predictive value of 96%
- positive predictive value of 37%
Increases:
- acute appendicitis
Related
calprotectin complex (S100A8/A9)
protein S100-A8; S100 Ca+2-binding protein A8; calgranulin-A; migration inhibitory factor-related protein 8; MRP-8; p8; Cystic fibrosis antigen; CFAG; Leukocyte L1 complex light chain; calprotectin L1L subunit; urinary stone protein band A (S100A8, CAGA, CFAG, MRP8)
protein S100-A9; S100 Ca+2-binding protein A9; calgranulin-B; migration inhibitory factor-related protein 14; MRP-14; p14; Leukocyte L1 complex heavy chain; calprotectin L1H subunit (S100A9, CAGB, CFAG, MRP14)
General
special chemistry test
References
- Bealer JF and Colgin M.
S100A8/A9: A potential new diagnostic aid for acute
appendicitis.
Acad Emerg Med 2010 Mar; 17:333
PMID: 20370768