WBC Count

Message

Performed by the Hematology Laboratory x5475,76

Test Code

WBCIR

CPT Codes
85048

Preferred Specimen

Whole blood

Minimum Volume

0.5 mL

Transport Container

3 mL Purple Top (EDTA)

Transport Temperature

Room Temperature

Specimen Stability

Room Temperature: 6 hours
Refrigerated: 24 hours

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis, QNS, Clotted

Methodology
Impedence particle counting

Setup Schedule

24/7

Reference Range

Units:K/µL 0 -	3 days	low 6.8	13.3
		8.0	14.3
3 days -	1 week	8.3	14.1
		8.8	14.8
1 week -	2 weeks	8.2	14.4
		8.4	15.4
2 weeks -	1 month	7.4	14.6
		8.3	14.7
1 month -	2 months	6.7	14.2
		7.0	15.1
2 months -	6 months	6.9	15.7
		6.8	16.0
6 months -	2 years	6.2	14.5
		6.4	15.0
2 years -	6 years	5.3	11.5
		5.3	11.5
6 years -	12 years	4.5	10.4
		4.7	10.3
12 years -	18 years	4.5	10.0
		4.8	10.1
18 years -	150 years	4.0	11.0
		4.0	11.0
**Female Ranges are in BLUE

Clinical Significance

Assessment of infection, chemotherapy, malignant diseases of the bone marrow

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.