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White Blood Cell Count

White Blood Cell Count

Alternate Test Name

WBC
Leukocytes, Blood

Epic Mnemonic
Sunquest Mnemonic

LAB299
WBC

Test Performance Schedule

Sunday-Saturday

Result Availability

Within 24 hours - STAT upon request

Specimen Required

Container

Lavender top (EDTA) tube

Volume

Pref. Vol.: 3.0 mL whole blood
Min. Vol.: 1.0 mL whole blood

Collection Instructions

• Tube must be filled to at least one-half or greater of its capacity
• Routine venipuncture
• Immediately after collection, gently invert tube 5-10 times

Transportation Instructions

• Do not centrifuge
• Refrigerate entire Lavender top tube of whole blood
• Optimally, specimen should be received for testing within 24 hours
• Differential parameters may begin deterioration after 12 hours

Causes for Rejection

• Collection tube not filled to at least one-half of vacuum capacity
• Contains clots
• Hemolysis

Remarks

Medicare Medical Necessity Policy

CPT Codes

85048

Effective/Revised

10/27/11

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Trending on Lakeland

Corewell Health Center for Wellness Has Relocated to Expand Local Health Services in Benton Harbor

The Corewell Health™ Center for Wellness has moved to a spacious new building around the corner from its original facility. The new space is approximately 24,000 square feet - nearly 20 times larger than the previous location, adding adequate room to expand community-based health services.

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Loren B. Hamel, M.D., president, Corewell Health™ in Southwest Michigan, has announced his plan to retire on June 30, 2024.

New Members Appointed to Corewell Health South Board of Directors

Corewell Health welcomed two new members to its board of directors in Southwest Michigan. Bertha King and Stephen Hempel, M.D., began three-year terms on Jan. 1, 2024.

Corewell Health Announces Changes to Board of Directors, Appoints New Chair

Today, Corewell Health™ announced changes to its board of directors, including the introduction of two new members, the appointment of a new chair and vice chair, and the departure of three founding board members.

Corewell Health Encourages Community Members to Donate Blood, Save Lives This Holiday Season

Corewell Health™, in partnership with Versiti Blood Center of Michigan, is encouraging Lakeland area community members to donate blood this holiday season. A series of community blood drives will take place this December.

Corewell Health, YMCA Increase Access to Healthy Foods Through Veggie Van™ Partnership

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Corewell Health was named among the list of 2023 Seramount Top 75 Companies for Executive Women.

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