1197
Lab Values
A
p
p
e
n
d
i
x
A
TABLE A-1
Prefixes Denoting Decimal Factors
Prefix
Symbol
Factor
mega
M
10
6
kilo
k
10
3
hecto
h
10
2
deci
d
10
−1
centi
c
10
−2
milli
m
10
−3
micro
μ
10
−6
nano
n
10
−9
pico
p
10
−12
femto
f
10
−15
TABLE A-2
Hematology
Test
Conventional Units
Conversion Factor
SI Units
Erythrocyte count (RBC count)
M. 4.2–5.4 × 10
6
/
μ
L
1.0
M. 4.2–5.4 × 10
12
/L
F. 3.6–5.0 × 10
6
/
μ
L
F. 3.6–5.0 × 10
12
/L
Hematocrit (Hct)
M. 40–50%
0.01
M. 0.40–0.50
F. 37–47%
F. 0.37–0.47
Hemoglobin (Hb)
M. 14.0–16.5 g/dL
10.0
M. 140–165 g/L
F. 12.0–15.0 g/dL
F. 120–150 g/L
Mean corpuscular hemoglobin
(MHC)
27–34 pg/cell
0.40–0.53 fmol/cell
Mean corpuscular hemoglobin
concentration (MCHC)
31–35 g/dL
10.0
310–350 g/L
Mean corpuscular volume (MCV)
85–100 fL/cell
Reticulocyte count
1.0–1.5% total RBC
1.0
Platelet count
150–400 × 10
3
/
μ
L
1.0
150–400 × 10
9
/L
Leukocyte count (WBC count)
4.8–10.8 × 10
3
/
μ
L
1.0
4.8–10.8 × 10
9
/L
Basophils
0.3–0.5%
Eosinophils
1–3%
Lymphocytes
25–33%
Monocytes
3–7%
Neutrophils (segmented [Segs])
60–65%
Neutrophils (bands)
0–4%
M = Male; F = Female.
