20161:WHITE BLOOD CELL COUNT

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20161:WHITE BLOOD CELL COUNT
Alias Names: WBC
Methodology: Automated Hematology Analyzer
Edit Date: 4/7/2005
Performed: Daily
Released: Same day as tested
CPT Code: 85048
Specimen Collection Details
Collection: One 4 mL lavender top tube (EDTA). Fill tube at least 1/3 full.
Handling: Refrigerate. Send to the laboratory same day. If specimen will not be received in laboratory within 24 hours, make slides and submit with blood.
Stability: WBC may decline after 24 hours.
Standard Volume: 4 mL EDTA whole blood.
Minimum Volume: 0.5 mL EDTA whole blood.
Transport: Refrigerated if received in laboratory within 24 hours of collection, or slides submitted with blood.
Comments: Maximum delay for reporting full CBC is 48 hours.
Rejection Criteria: Marked hemolysis; clotted or frozen specimen.
MEDICARE MAY REQUIRE A SIGNED ADVANCE BENEFICIARY NOTICE (ABN) FOR THIS TEST

Reference Range:
AGE Male or Female (K/µL)
0 hours 4.0-11.0
11 hours 9.0-30.0
24 hours 13.0-38.0
6 days 9.4-34.0
7 days 3.0-21.0
21 days 5.0-20.0
5 months 5.0-19.5
1-2 years 6.0-17.5
3 years 6.0-17.0
5 years 5.5-15.5
7 years 5.0-14.5
15 years 4.5-13.5
> 15 years 4.0-11.0

PeaceHealth Laboratories