Test Code WBC White Blood Cell (WBC) Count

Performing Location

Southwestern Vermont Medical Center

Specimen Collection Information

Specimen	Min. Test Volume	Collection Container	Special Handling
Blood	1.0 mL	Lavender (EDTA) Top

Reference Ranges & Critical Values

Assay	Gender	Age Range	Normal Range	Critical Values	Units
WBC	ALL	0 Minutes – 7 Days	4.0 - 30.0x10³	≤2.0x10³ or ≥35.0x10³	/uL
		8 Days - 1 Year	4.0 - 20.0x10³	≤2.0x10³ or ≥20.0x10³	/uL
		2 Years - 17 Years	4.0 - 13.0x10³	≤2.0x10³ or ≥20.0x10³	/uL
		18 Years - 150 Years	4.0 - 11.0x10³	≤2.0x10³ or ≥20.0x10³	/uL

Specimen Stability

24 hours at 2-8°C

Day(s) Performed

Monday - Sunday

LOINC

6690-2

CPT

85048