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Differential of White Cells

Message


If test is added on to a CBCD, order DIFM to avoid double billing. Result via Mysis Gateway.




Test Code
MDIF


CPT Codes
85007

Preferred Specimen
3.0 mL whole blood


Instructions
Draw a full, lavender-top (EDTA) tube and send EDTA whole blood.


Transport Container
EDTA (lavender-top)


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted blood is not acceptable


Methodology
Modified Wrights-Giemsa Stained peripheral blood smear, 100 WBCs counted, includes cellular morphology, if present, as well as PLT estimate.

Reference Range
MANUAL DIFFERENTIAL- Lymphocytes: 24-44%; Monocytes: 2-11%; Neutrophil SEGS: 31-76%; Neutrophil BANDS: 2-6%; Atypical Lymphs: 0-5%; Eosinophils: 1-4%; Basophils: 0-1%, ABSOLUTE LYMPHS: 1.0-4.8 K/UL; ABSOLUTE NEUTROPHILS: 1.8-7.7 K/UL; ABSOLUTE MONOCYTES: 0.1-0.5 K/UL; ABSOLUTE EOSINOPHILS: 0.1-0.7 K/UL; ABSOLUTE BASOPHILS 0.0-0.2 K/UL.


Clinical Significance
To differentiate the types of White Blood Cells in a patient sample when automatic differential criteria acceptability are exceeded or not available.




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.