WBC Count
| Sunquest Code: | WBC | ||
| Epic Code: | LAB299 | Epic Name: | WBC Count |
| Synonyms: | Leukocyte Count; White Blood Cell Count | ||
| Test Includes: | WBC | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
| Associated Links: | |||
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 (Fairview Range - FRMC, UMMC-East Bank, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank, Fairview Clinics, M Health Clinic and Surgery Center, Grand Itasca GICH) |
Interpretive
| Critical Range: |
Less than 1.0 or greater than 50.0 (x 109/L)
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| Reference Range: |
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| Use: | White blood cell enumeration, evaluation of myelopoiesis, bacterial and viral infections, tissue injury. |
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