WBC Count
Abbrev Code: | WBC | ||
Order Code: | LAB299 | Order Name: | WBC Count |
Synonyms: | Leukocyte Count; White Blood Cell Count | ||
CPT Codes: | 85048 x1 | ||
Test Includes: | WBC | ||
Turnaround Time: | Performed and reported 24 hours/day. |
Collection Instructions
Specimen: | Blood |
Optimal Volume: | 2-3 mL EDTA tube or 0.5 mL in an EDTA microtainer (do not fill more than 0.5 mL) |
Minimum\Peds Volume: | 1 mL EDTA tube or 0.3 mL in an EDTA microtainer |
Container: | Purple (EDTA) |
Collection Instructions: | Immediately mix specimen 10 times by gentle inversion. |
Causes for Rejection: | Clotted specimen. |
Processing and Shipping
Specimen Processing: | Store in refrigerator. |
Shipping Instructions: | Ship at refrigerated temperature. If more than 24 hours is required for transport, 2 unstained whole blood smears must accompany whole blood EDTA specimen. |
Test Performed at or Referral Lab | Hematology (Clinics, CSC Mpls, Grand Itasca, Lakes, Northland, Range, Ridges, Southdale, St. John's, UMMC East Bank, UMMC/UMMCH-West Bank, Woodwinds) |
Interpretive
Critical Range: | Less than 1.0 or greater than 50.0 (x10e3/uL) | ||||||||||||||||||||||||
Reference Range: |
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Use: | White blood cell enumeration, evaluation of myelopoiesis, bacterial and viral infections, tissue injury. |
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