Emergency Medicine

(Nancy Kaufman) #1

LABORATORY REFERENCE RANGES


Ranges below are the approximate 95% confidence limits for laboratory reference
values in healthy adult males and females.
Test results can vary depending on measurement conditions and the laboratory
methods utilized.
Therefore, always interpret results using the local testing laboratory’s quoted
reference ranges.
Seek senior doctor adv ice if in doubt.

HAEMATOLOGY
haemoglobin females: 115–165 g/L
males: 130–180 g/L
erythrocytes females: 3.8–5.8  1012 /L
males: 4.5–6.5  1012 /L
haematocrit (packed cell volume) females: 0.37–0.47
males: 0.4–0.54
mean corpuscular volume 80–100 f L
leucocytes (white cells) 4–11  109 /L
neutrophils 2–7.5  109 /L (40–75%)
lymphocytes 1.5–4  109 /L (20–40%)
monocytes 0.2–0.8  109 /L (2–10%)
eosinophils 0.04–0.4  109 /L (1–6%)
basophils <0.1  109 /L (<1%)
platelets 150–400  109 /L
erythrocyte sedimentation rate females:
(Westergren method) under 50 years: <20 mm/h
over 50 years: <30 mm/h
males:
under 50 years: <15 mm/h
over 50 years: <20 mm/h
vitamin B 12 120–680 picomol/L
folate red cell: 360–1400 nanomol/L
serum: 7–45 nanomol/L
iron 10–30 micromol/L
ferritin females: 15–200 micrograms/L
males: 30–300 micrograms/L
transferrin saturation 15–45%


NORMAL LABORATORY VALUES


Appendix

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