Skip Ribbon Commands
Skip to main content
Navigate Up
Sign In
​Clinical Chemistry
Critical Values

Test Patient Age Critical Values

Bilirubin, Total 0 to 7 days

1 week to
1 month
> 15 mg/dL

> 20 mg/dL
 

Calcium All
All
< 5 mg/dL
> 13 mg/dL

Carbon Dioxide, total, serum ("Bicarbonate") All <10 mmol/L

Glucose All < 40 mg/dL
> 500 mg/dL

Hematocrit 0 to 6 months < 20 %

Hemoglobin All < 6 gm/dL

pH, arterial or venous All < 7.2

Potassium All
All
< 2.5 mmol/L
> 6.5 mmol/L

Sodium All
All
< 120 mmol/L
> 160 mmol/L

Troponin All > 0.1 ng/mL

Rev. 05/2010