LABORATORY CRITICAL VALUES
| TEST | LAB SECTION | CRITICAL VALUES |
|
Acetaminophen |
Chem | > 30 µg/mL |
| Activated Partial Thromboplastin Time | Coag | >90 sec |
| Alcohol (Ethanol) | Chem | >350 mg/dL |
|
Aminophylline {Theophylline} |
Peds Lab |
Infants D0 to M6: >15 µg/dL Adults: >20 µg/dL |
| Aspergillus Antigen | Immuno |
Positive Index of ≥0.5 |
|
Aspirin {Salicylate}, Serum |
Chem | >20 mg/dL |
| BUN (Urea Nitrogen), Neonates | Peds Lab | > 40 mg/dL |
|
Calcium, Total Serum |
Chem/ Peds Lab |
<7.0 and >12.0 mg/dL Infant Critical: <5.8 and >12.6 mg/dL |
|
Calcium, Ionized |
Chem |
Adult
Critical: <1.15 or >1.63 mmol/L |
|
Carbamazepine
{Tegretol} |
Chem | >11 µg/mL |
|
Carbon Dioxide,
CO2, |
Chem/ Peds Lab |
<10 and >40 mEq/L
Infant Critical:
≤10 and ≥40 |
|
Cell Count and Differential, Ascites |
Heme |
1) WBC count >500/µl
2) >50% PMNs |
|
Cell Count
and Differential, CSF |
Heme |
1)WBCcount > 8 cells/µl 2)Organisms |
| Cell Count and Differential, Peritoneal Fluid | Heme |
1)WBC > 500/µl 2)Microorganisms 3)Malignant cells |
| Cell Count and Differential, Pleural Fluid | Heme |
1) >1000WBC/µl 2) >50% PMN 3) Organisms 4) Malignant cells |
|
Cell Count
and Differential, Synovial |
Heme |
1)Uric Acid and calcium pyrophosphate crystals 2) >1000 WBC/µl 3) >50% PMN's 4) Microorganisms. |
|
Chloride, Neonates |
Peds Lab | ≤90 and ≥120 mmol/L |
|
CO2,
Total |
Chem | ≤10 and ≥40 mEq/L |
|
Depakene {Valproic Acid}
|
Chem | >125 µg/mL |
|
Digoxin |
Chem | >2.2 ng/mL |
|
Dilantin, Total
{Phenytoin} |
Chem | >25 µg/mL |
|
Electrolytes Panel |
Chem / Peds Lab |
Adult Critical: Na: <120 and >155 mEq/L K: <3.0 and > 6.0 mEq/L CO2: <10 and >40 mEq/L Infant Critical: Na: ≤130 and ≥146 mmol/L K: <3.0 and >6.0 mmol/L Cl: ≤90 and ≥120 mmol/L ECO2: ≤10 and ≥40 mmol/L |
|
Fetal Fibronectin |
Peds Lab | Positive |
|
Fibrinogen [Factor I]
|
Coag | <100 and > N/A |
|
Gentamicin |
Chem | >12 µg/mL |
|
Glucose, Adult
Random |
Chem |
<50 and >450 mg/dL |
|
Glucose, Neonates |
Peds Lab |
D1:
<50 and >150
mg/dL D2: <50 and >150 mg/dL |
|
Hematocrit
|
Heme/ Peds Lab |
Adult Critical:
<21 and >55% Newborn Critical: < 40 and >60% |
|
Hemoglobin |
Heme |
<7 and >18 g/dL |
|
Lithium
|
Peds Lab | >2.0 mmol/L |
| Magnesium | Chem | <1.0 and >9.0 mg/dL |
| Magnesium, Neonates | Peds Lab | ≤1.2 and ≥4.0 mg/dL |
| Partial Thromboplastin Time, Activated | Heme |
<18 sec. or >90 sec.
(no heparin)
≥140 sec. (on heparin)
|
| Phenobarbital | Chem | >40 µg/mL |
|
Phenytoin
{Dilantin} |
Chem |
>25 µg/mL |
| Phosphorus, Serum |
Chem
/ Peds Lab |
<1 and >8 mg/dL
>11.0 for renal patients
Infant Critical: |
|
Platelet Count
|
Heme | <20 and >1000 K/µl |
|
Potassium, Serum |
Chem |
Adult
Critical: <3.0 and > 6.0 mEq/L Infants Critical: <3.0 and >6.0 mmol/L |
|
Protein, Total Serum |
Chem | <2.0 and >12 g/dL |
|
PT
|
Coag | INR >4.0 |
|
PTT
|
Coag | >90 seconds |
|
RBC
{Red Blood Count} |
Heme | < 2.0 and >7.0 m/µl |
|
RPR |
Peds Lab |
Reactive |
|
Salicylate, Serum |
Chem | >20 mg/mL |
|
Sodium, Serum |
Chem
/ Peds Lab |
Adult Critical: < 120 and >155 mEq/L Infant Critical: ≤130 and ≥146 mmol/L |
|
Tegretol
{Carbamazepine} |
Chem | > 11 µg/mL |
|
Theophylline |
Peds Lab |
Infants D0 to M6: > 15 µg/dL Adults: > 20 µg/dL |
| Tobramycin | Chem | >12 µg/mL |
| Troponin | Chem | ≥0.5 ng/mL |
|
Tylenol {Acetaminophen} |
Chem | > 30 µg/mL |
|
Urinalysis |
Heme |
Positive glucose or ketone in neonates/child |
|
Valproic Acid [Depakene]
|
Chem | >125 µg/mL |
|
Vancomycin |
Chem | >40 µg/mL |
| Viscosity, Plasma | Chem | <0.5 and >3.0 centipoises |
|
WBC Count |
Heme | <1,500 and >30,000/µl |