Exam

Plasmic Score

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Plasmic Score, ADAMTS13 Enzyme Activity Prediction Tool

  • Indications
  • Mechanism
  1. Low ADAMTS13 Enzyme Activity <10% is associated with TTP
  • Criteria
  • Assign one point for each positive criteria
  1. Platelet Count <30,000/uL
  2. Hemolysis
  3. No cancer history
  4. No organ transplantation history
  5. Mean Corpuscular Volume (MCV) <90
  6. Serum Creatinine <2 mg/dl (<177 uMol/L)
  7. INR <1.5
  • Interpretation
  • Plasmic Score based on total points from criteria above
  1. Score 0 to 4
    1. Low risk (4.3%) of Low ADAMTS13 Enzyme Activity
  2. Score 5 to 6
    1. Intermediate risk (56.8%) of Low ADAMTS13 Enzyme Activity
  3. Score >6
    1. High risk (96%) of Low ADAMTS13 Enzyme Activity