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Critical Values at Providence Alaska Medical Center

 

TEST
LOW
HIGH
UNITS
WBC
1000
100,000
ug/mL
Hemoglobin
6.5
21
g/dL
Hematocrit
19
63
%
Newborn Hematocrit
--
65
%
Platelet
30
--
X10 3 /uL
Protime
--
65
seconds
INR
--
5
 
PTT
--
100
seconds
Fibrinogen
120
--
mg/dL
D-Dimer ELFA
--
1000
ng/mL
BUN
--
120
mg/dL
Calcium
6
13
mg/dL
CO2
10
40
mmol/L
Glucose
40 (1-129 yr)
600 (1-129 yr)
mg/dL
Infant Glucose
40 (0-1 yr)
200 (0 -1 yr)
mg/dL
Lactate
--
3.4
mmol/L
Magnesium
1.0
4.9
mg/dL
Phosphorous
1.2
--
mg/dL
Potassium
2.5 (1-129 yr)
6.2 (1-129 yr)
mmol/L
Infant Potassium
2.5 (0-1 yr)
7.0 (0-1 yr)
mmol/L
Sodium
120
160
mmol/L
Newborn Total Bilirubin
--
15.0 (0-1 mt)
mg/dL
Acetaminophen
--
150
ug/mL
Alcohol (Whole blood or serum)
--
350
mg/dL
Carbamazepine
--
15.1
ug/mL
Digoxin
--
2.5
ng/mL
Dilantin
--
30.0
ug/mL
Gentamicin Trough
--
2.1
ug/mL
Gentamicin Peak
--
10.1
ug/mL
Lithium
--
2.0
meq/L
NAPA & Proc. Total
--
30.0
ug/mL
Procainamide
--
10.0
ug/mL
Phenobarbital
--
60.0
ug/mL
Quinidine
--
5.0
ug/mL
Salicylate
--
30
mg/dL
Theophylline
--
21.1
ug/mL
Tobramycin trough
--
2.1
ug/mL
Tobramycin peak
--
12.1
ug/mL
Valproic Acid
--
150
ug/mL
Vancomycin peak
--
80.0
 

Effective April, 2004

 

Qualitative Critical Results
 • Positive results from Gram stain or culture from blood and cerebrospinal fluid.
 • Herpes simplex virus, group B Streptococcus, Listeria, or Neisseria gonorrhea from a neonate.
 • New findings of blasts (possible leukemia) on a peripheral blood smear.
 • Transfusion reaction workup with evidence of an acute reaction

 

 • Red blood cells that were issued on an emergency basis and later found to be incompatible.
 
Important Findings Called to the Clinician
  • Viruses isolated from any site
 • Herpes simplex virus, group B Streptococcus, Listeria, or Neisseria gonorrhea from an obstetric or postpartum patient
 • Initial positive AFB smears and cultures
 • Positive Clostridium difficile toxin assay
 • Parasites isolated from stool or other body site.
 • Enteric pathogens from stool.
 • Clostridium perfringens from any site
 • Initial positive body fluid cultures (i.e. synovial, pericardial, etc) or peritoneal dialysis cultures from outpatient.
 • Positive Cryptococcal antigen test.
 • Patient has an antibody that would delay transfusion or surgery
 • Blood order can’t be filled due to unavailability of component in question.
 • Positive direct Coombs (AKA Direct Antiglobulin Test or DAT) on cord blood.

 

NOTE: Referral laboratory test critical values are as defined by reference laboratory, unless designated differently by the PAMC medical staff.
 
 
PROVIDENCE HOSPITALS
 Providence Alaska Medical Center
 Providence Kodiak Island Medical Center
 Providence Seward Medical & Care Center
 Providence Valdez Medical Center
 Providence Hospitals Outside Alaska
 
 
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