Table of Critical Values

Bilirubin (NBSCU)> 10 mg/100 mL
Bilirubin (Pediatric: 10NB, 11NB, EDPD)>15mg/100 mL
Calcium< 6.5 mg/100 mL
> 13.0 mg/100 mL
Creatinine (outpatient new case)> 5.0 mg/100 mL
Electrolytes:
CO2, Total< 12 mmol/L
> 45 mmol/L
Sodium< 120 mmol/L
> 160 mmol/L
Potassium< 2.8 mmol/L
> 6.0 mmol/L
Glucose< 50 mg/100 mL
> 450 mg/100 mL
Magnesium< 1.0 mg/100 mL
> 5.0 mg/100 mL
Phosphate< 1.2 mg/100 mL
Ammonia (pediatrics)All
Ammonia (adult outpatients)>35 μmol/L all
Lactic Acid (adult)> 5.0 mmol/L
first time only
Lactic Acidall pediatric
Pyruvateall pediatric