WBC (White Blood Cell), Blood

Test Code
WBC - NOCO


CPT Codes
85048

Preferred Specimen
4.5 ml Whole bloodin Purple EDTA tube


Minimum Volume
0.5 mL
0.25 mL (Microtainer EDTA)
Note: For neonate requirements see Neonate Minimum Blood Volumes


Specimen Stability
Specimen Type Temperature Time
Whole Blood EDTA Ambient 24 hours
Whole Blood EDTA Refrigerate 48 hours


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, clotted


Methodology
Automated

Setup Schedule
Monday through Sunday; Continuously


Report Available
Same day


Reference Range
WBC
 Age/Sex        Normal        
 (K/MM3)
 0-2 weeks M/F  9.0-34.0
 2 weeks - 1 month M/F  5.0-20.0
 1 month - 2 years M/F  6.0-17.5
 2-10 years M/F  4.5-13.5
10-18 years M/F 4.5-13.0
 >18 years M/F  4.0-11.0
Courtesy Notification Limits (automatic call-back):<1.0 K/MM3 or >50.0 K/MM3


Performing Laboratory
Banner Fort Collins Medical Center Laboratory
McKee Medical Center Laboratory
North Colorado Medical Center Laboratory
Summit View Laboratory
Sterling Regional Medical Center
East Morgan County Hospital
​Ogallala Community Hospital



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.