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Mayo Clinic Laboratories

Test Code SOFT: WBC White Blood Cell (WBC) Count, Blood

Additional Codes

Ordering Mnemonic

EPIC NAME: WBC, ONLY

EPIC CODE: LAB299

 

Performing Laboratory

Saint Francis Medical Center-Hematology

Specimen Requirements

Specimen Type: Whole blood

Container/Tube: Lavender top (EDTA)

Specimen Volume: 2 mL

Collection Instructions: Do not centrifuge.

Specimen Transport Temperature

Ambient 8 hours, refrigerated 24 hours.

Reference Values

4,000/mm3-10,500/mm3 (age dependent)

Critical values (automatic call-back): blast cells present or ≤2,500/mm3 or ≥25,000/mm3

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

85048