II. Indications

  1. Risk Stratification of Febrile Infants under age 90 days

III. Precautions

  1. Study focused on infants >21 days, but may be safer to apply to >28 day old infants
  2. Assumes well appearing infant
    1. See Pediatric Assessment Triangle

IV. Protocol

  1. Step 0: Ill or toxic appearing infant
    1. Evaluate and Manage as high risk (see Neonatal Sepsis)
  2. Step 1: Obtain Urinalysis
    1. Positive Urinalysis for Leukocytes: Treat as intermediate risk (complete Neonatal Sepsis workup)
  3. Step 2: Obtain Procalcitonin, CBC, CRP (if Urinalysis negative)
    1. Negative markers: Treat as low risk with close interval follow-up
    2. Positive markers: Treat as intermediate risk (complete Neonatal Sepsis workup)
      1. Procalcitonin >0.5 ng/ml OR
      2. CRP >20 OR
      3. Absolute Neutrophil Count >10,000

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