Interactive LRINEC Score calculator for necrotizing fasciitis. Requires the calculator gadget.
Usage: {{LRINEC Calculator}}
LRINEC Score
LRINEC Score — Necrotizing Soft Tissue Infection
| Lab Value
|
Select
|
| CRP (mg/L)
|
1 <150 (0) ≥150 (+4)
|
| WBC (×10³/μL)
|
1 <15 (0) 15–25 (+1) >25 (+2)
|
| Hemoglobin (g/dL)
|
1 >13.5 (0) 11–13.5 (+1) <11 (+2)
|
| Sodium (mEq/L)
|
1 ≥135 (0) <135 (+2)
|
| Creatinine (mg/dL)
|
1 ≤1.6 (0) >1.6 (+2)
|
| Glucose (mg/dL)
|
1 ≤180 (0) >180 (+1)
|
| LRINEC Score
|
/ 13
|
| Interpretation
|
| <6
|
Low risk — <50% probability of necrotizing fasciitis. Consider other diagnoses but maintain clinical suspicion.
|
| 6–7
|
Moderate risk — 50–75% probability. Consider surgical consultation and advanced imaging.
|
| ≥8
|
High risk — >75% probability of necrotizing fasciitis. Urgent surgical consultation for exploration.
|
| References
|
- Wong CH, Khin LW, Heng KS, et al. The LRINEC (Laboratory Risk Indicator for Necrotizing Fasciitis) score: a tool for distinguishing necrotizing fasciitis from other soft tissue infections. Crit Care Med. 2004;32(7):1535-1541. PMID 15241098.
- Caution: LRINEC has limited sensitivity (~80%). A low score does NOT rule out necrotizing fasciitis. Clinical suspicion should always guide management.
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