Medical provider?
Laboratory Critical Values
| LOW | HIGH | |
| HEMATOLOGY: | ||
| Absolute Neutrophil Count | <0.5 K/ul | |
| Blood Hematocrit | >60% Adult >70% Infant |
|
| Blood Hemoglobin | <7gm/dl | >20 gm/dl |
| CSF WBC | > 5 | |
| PTT | > 100 | |
| PTT (pre-op) | > 50 | |
| Platelet Count | <20,000/mm3 | > 1 million |
| PT | INR >5 | |
| PT (pre-op) | >1.3 | |
| WBC | <1500/mm3 | >30,000/mm3 |
| LOW | HIGH | ||
| CHEMISTRY: | |
|
|
| Bicarbonate | <10mEq/L | >40mEq/L | |
| Bilirubin (Total) | >12 mg/dl (newborn) | ||
| BNP | >1300pg/ml | ||
|
CSF Glucose |
<20 mg/dl | >400 mg/dl | |
|
Glucose (Newborn) |
<40 mg/dl |
>100 mg/dl >400 mg/dl |
|
| Calcium | <6.0 mg/dl | >14 mg/dl | |
| Ionized Calcium | <2 mg/dl | >7 mg/dl | |
| Lactic Acid (venous or arterial) | >4 mmd/l | ||
| Magnesium | <1.2 mg/dl | >6.0 mg/dl | |
| PCO2 | <20 mm Hg | >70 mm Hg | |
| PH (Adult) | <7.30 | >7.60 | |
| PH (Cord) | <7.20 | ||
| PO2 | < 50 mm Hg | ||
| Phosphorus | <1.0 mg/dl | ||
|
Potassium (PreOP) |
<3.5 mEq/L <3.0 mEq/1 |
>6.0 mEq/L >6.0 mEq/L |
|
| Sodium | <120 mEq/L | >160 mEq/L | |
| T4 | <4 ng/dl | >14 ng/dl | |
| T4 Free | >6 ng/dl | ||
| Troponin | >0.30 ng/ml | ||
URINALYSIS
Ketones in a newborn
Positive glucose on dipstick or clinitest on a newborn
WBC, RBC, Waxy casts
Abnormal (pathological) crystals such as cystine, leucine etc.
|
|
LOW |
HIGH |
|
TOXICOLOGY |
|
|
|
Acetaminophen (Tylenol) |
|
>30 mcg/ml |
|
Carbamezepine |
|
>12 mcg/ml |
|
Digoxin |
|
>2.0 ng/ml |
|
Gentamicin |
|
>2mcg/ml (trough) |
|
Lithium |
|
>1.2 mEq/L |
|
Phenobarbital |
|
>50 mcg/ml |
|
Phenytoin (Dilantin) |
|
>50 mcg/ml |
|
Salicylate |
|
>30 mcg/ml |
|
Tobramycin (trough) |
|
>2 mcg/ml |
|
|
|
>200 mcg/ml (children) |
|
Vancomycin |
|
>25 mcg/ml (trough) |
BLOOD BANK:
Positive DAT and /or Indirect Coombs
Positive DAT in previously transfused patient
Positive DAT in newborn
Positive Prenatal Antibody Screen
MICROBIOLOGY:
Positive Blood Cultures
Positive CSF Gram Stain
Positive Cryptococcal Antigen (Reference Lab Test)
Positive AFB Smear (Reference Lab Test)
Yeast on an Abdominal Source
Vancomycin Resistant Enterococci
Methicillin Resistant Staph Aureus
Strep Pneumo UA Ag
Legionella UA Ag
