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CBC Reference Ranges

D - Day; W - Week; M - Month; Y - Year; f - female; m - male; NS - Not Specified; SOGI-Sexual Orientation and Gender Identity
Age ranges are presented as "from (AGE A) up to (AGE B)"

Age >> D0-W1 W1-W2 W2-M1 M1-Y1 Y1-Y2 Y2-Y4 Y4-Y6 Y6-Y10 Y10-Y16 Y16-Adult Critical Value Units
WBC NS 5.0-20.0 5.0-19.5 6.0-17.5 6.0-17.0 5.5-15.5 5.0-14.5 4.5-13.5 4.5-13.0 4.5-11.0 <0.5;>50 x109/L
Age >> D0-W1 W1-W2 W2-M1 M1-M3 M3-M6 M6-Y2 Y2-Y6 Y6-Y12 Y12-Y18 Y18-Adult Critical Value Units
RBC NS 3.60-6.20 3.00-5.40 2.70-4.90 3.10-4.50 3.70-5.30 3.90-5.30 4.00-5.20 4.10-5.10 (f)
4.40-5.30 (m)
4.40-5.10 (SOGI/NS)
4.00-5.20 (f)
4.50-5.90 (m)
4.50-5.20 (SOGI/NS)
x1012/L
HGB NS 12.5-20.5 10.0-18.0 9.0-14.0 9.5-13.5 10.5-13.5 11.5-13.5 11.5-15.5 12.0-16.0 (f)
13.0-16.0 (m)
13.0-16.0(SOGI/NS)
12.0-16.0(f)
13.5-17.5(m)
13.5-16.0(SOGI/NS)
<5 (not specified for high value) g/dL
HCT NS 39.0-63.0 31.0-55.0 28.0-42.0 29.0-41.0 33.0-39.0 34.0-40.0 35.0-45.0 36.0-46.0(f)
37.0-49.0(m)
37.0-46.0 (SOGI/NS)
36.0-46.0(f)
41.0-53.0(m)
41.0-46.0 (SOGI/NS)
<15
(not specified for high value)
%
MCV NS 86-124 85-123 77-115 74-108 70-86 75-87 77-95 78-102f
78-98m
78-98 (SOGI/NS)
80-100 fl
Age >> D0-W1 W1-M1 M1-M3 M3-M6 M6-Y2 Y2-Y6 Y6-Y12 Y12-Y18 Y18-Adult Critical Value Units
MCH NS 28-40 26-34 25-35 23-31 24-30 25-33 25-35 26-34 pg
Age >> D0-W1 W1-W2 W2-M3 M3-Y2 Y2-Adult Critical Value Units
MCHC NS 28-38 29-37 30-36 31-37 g/dL
Age >> D0-W1 W1-Adult Critical Value Units
ABSN NS 2.0-7.5 <0.5 x109/L
ABSM NS 0.2-0.8 x109/L
ABSE NS 0.0-0.4 x109/L
ABSB NS 0.0-0.1 x109/L
LUC NS 0-4 %
Age >> D0-Y11 Y11-Adult Critical Value Units
ABSL NS 1.5-5.0 x109/L
Age >> D0-Adult Critical Value Units
PLT 150-440 <20;>999 x109/L
MPV 7-10 fl

Reviewed by Christopher Parker on November 11, 2021

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514