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ALT-70 Score for Lower Extremity Cellulitis

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ALT-70 Score for Lower Extremity Cellulitis

  • See Also
  1. Cellulitis
  2. Laboratory Risk Indicator for Necrotizing Fasciitis
  • Indications
  1. Suspected Lower Extremity Cellulitis
  • Background
  1. Helps distinguish likelihood of lower extremity Cellulitis
  • Criteria (Mnemonic
  • ALT-70)
  1. Score 3: Asymmetry
  2. Score 1: Leukocytosis (WBC >10,000)
  3. Score 1: Tachycardia (Heart Rate >=90)
  4. Score 2: Age >70 years
  • Interpretation
  1. Score <=2: Lower extremity Cellulitis unlikely (<17% likelihood of Cellulitis)
  2. Score 3-4: Indeterminate (consider specialty Consultation)
  3. Score 5-7: Cellulitis likely (>82% likelihood of Cellulitis)
  • Resources
  1. ALT-70 Score for Cellulitis (MDCalc)
    1. https://www.mdcalc.com/calc/3998/alt-70-score-cellulitis
    2. May help distinguish lower extremity Cellulitis from other non-infectious cases
  • References
  1. Raff (2017) J Am Acad Dermatol 76(4):618-25 +PMID: 28215446 [PubMed]