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Laboratory Critical "Panic" Values  
Chemistry  Low  High
Alcohol   ≥ 300mg/dL
Ammonia   ≥ 80umol/L
Bicarbonate, arterial ≤ 10 mmol/L ≥ 40 mmol/L
Bilirubin, neonatal ≤ 1 month   ≥ 18 mg/dL
Blood Gases    
   pCO2, arterial  ≤ 20 mmHg

≥70mm Hg

   pH, arterial or venous ≤ 7.2
   pO2 (arterial)
       <6 months (179 days) <25mm Hg
       ≥6 months (180 days) <50mm Hg
   Cord Blood

Not necessary to call panic values

Calcium ≤ 6.0 mg/dL  ≥ 13.0 mg/dL
Carbon Monoxide     ≥ 12%
Creatinine*  ≥  7.0 mg/dL
Glucose  ≤ 40 mg/dL  ≥ 500 mg/dL
Glucose (newborn)   ≤ 30 mg/dL  ≥ 300 mg/dL
Iron (overdose)     ≥ 300 ug/dL
Lactic Acid    ≥ 3.0 mmol/L
Magnesium  ≤ 1.0 mg/dL  ≥ 7.0 mg/dL
Methemoglobin     ≥  2%
Phosphorus*  ≤ 1.0 mg/dL  ≥  8.0 mg/dL
Potassium  ≤  2.5 mmol/L  ≥ 6.5 mmol/L
Potassium (newborn)   ≤ 2.5 mmol/L  ≥ 8.0 mmol/L
Sodium   ≤ 120 mmol/L  ≥ 160 mmol/L
   * N/A per Drs  Ahrens, Trostel, Eggert, and Ward for dialysis patients, i.e., Nephrologists have requested that Laboratory not call BUN, Creatinine, or Phosphorus "panic" results. (letter received from Madison Area Renal Specialists 04/08/08
 
Drug Levels
 Low  High
Acetaminophen    ≥ 150 ug/mL
Carbamazepine     ≥ 15.0 ug/mL
Digoxin    ≥ 3.0 ng/mL 
     ( ≥ 6 hrs after dose)
Dilantin (Phenytoin)    ≥ 30.0 ug/mL
Gentamicin/Tobramycin    Trough  ≥ 4 ug/mL
    Trough  ≥ 3 ug/mL -IICU
     Peak  ≥ 12 ug/mL
Lithium    ≥ 1.5 mmol/L
Phenobarbital     ≥ 50.0 ug/mL
Salicylate    ≥ 30 mg/dL
Theophylline     ≥ 20.0 ug/mL
Valproate (Valproic Acid)    ≥ 150 ug/mL
Vancomycin  

 Trough  ≥ 30.0 ug/mL

     Peak  ≥ 60.0 ug/mL

Hematology
 Low High
Fibrinogen  ≤ 100 mg/dL  
WBC (newborn to 16 years)  < 1,000/uL  
Hematocrit  ≤ 21.0%  ≥ 57.0%
Hematocrit (newborn)    ≥ 72%
Hemoglobin  ≤ 7.0 g/dL  ≥ 19.0 g/dL
Hemoglobin (newborn)    ≥ 24.0 g/dL
Platelets  ≤ 30,000  ≥ 1,000,000
Platelets (newborn & peds)  ≤ 20,000  
INR    ≥  6
Reducing substance in children    Positive
Urine Ketones    ≥ 2+ in the presence of positive glucose
Smear Malaria    Positive Smear


Microbiology
Positive Blood Culture
Positive CSF (lumbar puncture) Gram Stain or Culture


Blood Bank
Clinically significant antibody found in Hemolytic Disease of Newborn work-up.

 

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