20200:DIFFERENTIAL COUNT

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20200:DIFFERENTIAL COUNT
Alias Names: WBC DIFFERENTIAL COUNT, MANUAL DIFF, WRIGHTS STAIN
Methodology: Microscopic Exam of Wright Stained Blood Films
Edit Date: 11/16/2005
Performed: Daily
Released: Same day
CPT Code: 85007
Specimen Collection Details
Collection: One 4 mL lavender top tube (EDTA), and/or 1 or 2 blood films. If only blood films are submitted, include an unstained slide if possible.
Handling: Refrigerate blood. Prepare blood films if specimens will not be processed by lab within 24 hours of collection. Blood films may be allowed to air dry, then transported in a slide folder. Alternatively, wrap the slide(s) in heavy cardboard and tape shut.
Standard Volume: 4 mL EDTA whole blood and/or 2 blood films.
Minimum Volume: 0.5 mL EDTA whole blood in a 1 mL microcollection tube and/or 1 blood film.
Comments: Indicate if a specific concern exists which prompted the request for slide review. Indicate if pathologist review of the slide is desired.
Rejection Criteria: Damaged slides; inadequate stain on slides submitted.
MEDICARE MAY REQUIRE A SIGNED ADVANCE BENEFICIARY NOTICE (ABN) FOR THIS TEST

Complete Blood Count Normal Ranges, Human
Age 1-6 D 1 W 2 W 3 W – 4 M 5 M -2 Y 3 Y – 5 Y 6-7 Y 8-12 Y Adult
Sex M,F M,F M,F M,F M,F M,F M,F M,F M,F
NEUT % 42-78 29-61 24-56 18-46 18-46 29-57 40-68 40-68 41-73
LYMPH % 19-45 29-55 36-60 44-68 49-73 38-62 30-54 26-50 17-46
MONO % 2-9 2-9 2-9 2-9 2-9 2-9 2-9 2-9 4-13
EOS % 0-3 0-3 0-3 0-3 0-3 0-3 0-3 0-3 0-6
BASO % 0-2 0-2 0-2 0-2 0-2 0-2 0-2 0-2 0-2
Age 1-6 D 1-2 W 3-4 W 1-11 M 1-4 Y 5-6 Y 7-10 Y Adult
Sex M,F M,F M,F M,F M,F M,F M,F M,F
NEUT # 5.0-21.0 1.5-10.0 1.0-9.0 1.0-8.5 1.5-8.5 1.5-8.0 1.5-8.0 1.5-8.0
LYMPH # 2.0-11.5 2.0-17.0 4.0-10.5 2.0-8.0 2.0-8.0 1.5-7.0 1.5-6.5 1.0-3.5
MONO # 0.1-3.1 0.3-2.7 0.2-2.4 0-1.1 0-1.0 0-1.0 0.2-1.0 0.2-1.0
EOS # 0-0.9 0-1.1 0-1.0 0-0.7 0-0.7 0-0.7 0-0.6 0-0.5
BASO # 0-0.1 0-0.1 0-0.1 0-0.1 0-0.1 0-0.1 0-0.1 0-0.2