White Blood Cell Count [70235]

Test Code

Alias/See Also
WBC (Whole Blood);
White Bld Cnt

CPT Codes

Preferred Specimen
3 mL or 4 mL whole blood EDTA (lavender top) tube(s) or EDTA (Microtainer® lavender top) tube(s). Minimum fill 1 mL (Microtainer® filled between the 2 lines).

Avoid hemolysis. Gently invert 10 times immediately at time of collection.

Transport Container
EDTA (lavender top) tube

Transport Temperature
     For specimen integrity in the lock box click here

Specimen Stability
48 hours

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Rejected for gross hemolysis, clotted, <1 mL, non-EDTA tube type, >48 hours old, frozen.

Automated Cell Counter

Setup Schedule
Sunday - Saturday

Reference Range
SEX AGE Report Normals Units
N/M/F 0Y 3.8 - 10.8 K/MM3
  3D 9.4 - 34.0 K/MM3
  2W 5.0 - 21.0 K/MM3
  1M 5.0 - 19.5 K/MM3
  6M 5.0 - 18.0 K/MM3
  2Y 5.0 - 17.0 K/MM3
  6Y 5.0 - 16.0 K/MM3
  12Y 4.35 - 13.5 K/MM3
  18Y 4.5 - 13.0 K/MM3
  133Y 3.8 - 10.8 K/MM3 

Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439

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.