Specialized Testing

Alert Values

This section provides information regarding the lower and upper limits to which Alert values are called to a client.
Alert values will be called to the requesting physician, or their designee, 24 hours a day.

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TEST Lower Limit Upper Limit
Acetaminophen
  200 mg/L
Alcohol, Blood
  300 mg/dL
Amikacin
   
Peak   30 mg/L
Trough   10 mg/L
APTT (PTT)
  130.0 sec.
Bicarbonate
10 mmol/L 40 mmol/L
Bilirubin, Total, Newborn
  15 mg/dL
Blasts, Manual Differential Count
  > 20%
Blood Culture
Positive  
Calcium
6 mg/dL 12 mg/dL
Calcium Ionized
0.75 mmol/L 1.58 mmol/L
Carboxyhemoglobin
  20%
Coagulation Factors
   
Factor 2 < 40%  
Factor 5 < 10%  
Factor 7 < 05%  
Factor 8 < 10%  
Factor 9 < 10%  
Factor 10 < 10%  
Factor 11 < 30%  
CSF Gram Stain and Culture
Positive  
CSF Glucose
20 mg/dL 150 mg/dL
CSF Protein
   
Neonates 0 - 3 months   300 mg/dL
3 months to Adult   200 mg/dL
Desipramine & Imipramine
  500 ng/mL
Digitoxin
  30 ng/mL
Digoxin
   
0 - 1 year   4.0 ng/mL
1 - 13 years   3.0 ng/mL
13 years - Adult   2.5 ng/mL
Dilantin
   
0 - 3 months   14 mg/L
3 months - 1 year   30 mg/L
1 year - 150 years   25 mg/L
Glucose
   
Newborn 30 mg/dL 300 mg/dL
Adults 40 mg/dL 500 mg/dL
Hemoglobin
7.0 gm/dL  
Lactate
  > 4.0 mmol/L
Lidocaine
  10.0ug/mL
Lithium
  2.5 meq/L
Low Molecular Weight Heparin Level
  > 1.0 IU/mL
Magnesium
1.0 meq/L 3.0 meq/L
Malarial Parasites Blood
Any parasites  
Methotrexate
All Levels Called  
PCO2, arterial or capillary
   
0 - 12 years 20 mmHg 60 mmHg
Adults 20 mmHg 70 mmHg
PH, arterial or capillary
7.2 7.6
Phenobarb
  40 mg/L
Platelet count
20 x 10e9/L 999 x 10e9/L
PO2, arterial or capillary
40 mmHg  
Potassium, un-hemolyzed
   
0 - 1 month 3.0 mmol/L 6.5 mmol/L
1 month - 1 year 2.5 mmol/L 6.5 mmol/L
1 year - Adult 2.5 mmol/L 6.5 mmol/L
Potassium*
   
(*Specific alert levels for Tulsa Nephrology and Nephrology Associates at all locations.) 2.5 mmol/L 6.8 mmol/L
Primidone
  15 mg/L
Procainamide + NAPA
  30 mg/L
Protime (INR)
  5 INR
Quinidine
  6 mg/L
Rh Immune Globulin
> 1 vial  
Salicylate
  300 mg/L
Sodium
   
0 months -3 months 125 mmol/L 150 mmol/L
3 months - 12 years 120 mmol/L 150 mmol/L
12 years - Adults 120 mmol/L 160 mmol/L
Tegretol
  > 12.1 mg/L
Theophylline
  22 mg/L
Troponin
  0.029 ng/mL
Unfractionated Heparin by Anti-10a
  > 0.89 IU/mL
Valproic Acid, Trough
  200 mg/L
Vancomycin
  > 25 mg/L
WBC
  > 250 10e9/L

10/18/19