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Test Code SQ MDIFZ, EPIC LAB1749 Differential Leukocyte Count, Manual, Blood

Methodology

Manual—Microscopic Examination of Cells

Includes neutrophilic segs, neutrophilic bands, metamyelocytes, lymphocytes, monocytes, eosinophils, basophils, and any abnormal cells, if present.

Performing Laboratory

Meriter Laboratories

Specimen Requirements

Specimen must arrive within 8 hours of draw.

 

Specimen Type: Whole blood

Container/Tube: Lavender top (EDTA)

Specimen Volume: 2.5 mL

Collection Instructions: If specimen cannot arrive within 8 hours of draw, also send 2 to 3 well-prepared blood smears.

Specimen Transport Temperature

Whole Blood-Refrigerated

Smears-Ambient/Refrigerated NO

Reference Values

NEUTROPHILS, SEGMENTED
1-2 months: 15%-35%

3-11 months: 13%-33%
1-5 years: 13%-45%
6-10 years: 32%-61%
11-17 years: 32%-64%

≥18 years: 36%-70%


NEUTROPHILS, BAND
1-2 months: 0%-12%

3-5 months: 0%-13%
6 months-5 years: 0%-12%
6-17 years: 0%-11%

≥18 years: 0%-7%


METAMYELOCYTES
0%-1%


LYMPHOCYTES
1-2 months: 42%-72%
3-11 months: 46%-76%
1-5 years: 44%-57%
6-10 years: 27%-48%
11-17 years: 25%-47%

≥18 years: 18%-50%


MONOCYTES
2%-10%


EOSINOPHILS
0%-8%


BASOPHILS
0%-2%

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

85007