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HelpTest Code DIFF Differential Leukocyte Count, Blood
Methodology
Manual—Microscopic Examination of CellsIncludes neutrophilic segs, neutrophilic bands, lymphocytes, monocytes, eosinophils, basophils, erythrocyte morphology, and platelets.
Performing Laboratory
Sky Lakes Medical Center-HematologySpecimen Requirements
Specimen must arrive in laboratory within 24 hours of draw.
Specimen Type: Blood
Container/Tube: Lavender top (EDTA) or lavender-top (EDTA) MICROTAINER
Specimen Volume: Full tube
Collection Instructions:
1. Invert tube several times to mix blood.
2. Hemolyzed or clotted specimen, specimen diluted with intravenous fluid, or tube not filled with minimum volume is not acceptable.
Specimen Transport Temperature
Ambient/Frozen NOReference Values
SEGMENTED NEUTROPHILS0-7 days: 32-62%
8-14 days: 17-48%
15 days-1 month: 15-38%
2-6 months: 13-35%
7 months-2 years: 12-35%
3-7 years: 23-62%
8-13 years: 44-64%
Adults: 47-74%
BAND NEUTROPHILS
0-7 days: 10-18%
8-14 days: 7-16%
15 days-1 month: 6-13%
2-6 months: 6-12%
7 months-2 years: 3-11%
>3 years: 0-8%
LYMPHOCYTES
0-7 days: 26-36%
8-14 days: 31-58%
15 days-1 month: 39-71%
2-6 months: 42-78%
7 months-2 years: 44-74%
3-7 years: 35-52%
8-13 years: 28-48%
Adults: 19-40%
MONOCYTES
0-7 days: 0-10%
8-14 days: 3-12%
15 days-6 months: 2-12%
7 months-2 years: 0-11%
3-13 years: 0-8%
Adults: 2-11%
EOSINOPHILS
0-7 days: 0-5%
8-14 days: 0-8%
≥15 days: 0-5%
BASOPHILS
0-2%
METAMYELOCYTES
0%
MYELOCYTES
0%
Day(s) Test Set Up
Monday through SundayAvailable STAT