Values can vary by geographical region, age, gender, and facility specific policy, but these values consist of what may be seen as near the general consensus.

Hematology

Test	Critical Low Cutoff	Critical High Cutoff	Unit
Hematocrit	20	65	%
Hemoglobin	7	22	g/dL
Platelets	20	1000	1000/uL
WBC	1.5	60	1000/uL
ANC	0.5	-	1000/uL
Differential Observations	-	Parasites, Sickle Cells, Blasts, Bacteria, Fungi, 2+ Schistocytes	Observed

Hemostasis

Test	Critical Low Cutoff	Critical High Cutoff	Units
PT	-	20 (varies by site)	seconds
INR	-	5	na
APTT	-	>120	seconds
Fibrinogen	100	-	mg/dL
D-Dimer	-	0.500	ug/mL
Factor VIII	5	-	%

Urinalysis

Test	Critical Low Cutoff	Critical High Cutoff	Units
Glucose		500	mg/dL
Observed Elements		WBC or RBC Casts	Observed

Body Fluid

Test	Critical Low Cutoff	Critical High Cutoff	Units
CSF count	-	10	/uL
Sterile Body Fluid Stain	-	Fungi, Bacteria	Observed

Microbiology

Test	Critical Low Cutoff	Critical High Cutoff	Units
Culture in any sterile body fluid	-	Positive Growth	observered

Blood Bank

Test	Critical Low Cutoff	Critical High Cutoff	Units
Hemolytic Transfusion Reaction	-	Transfusion Reaction	Occurence