Blood Test Clinical Significance Chart Page 8
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28TOTAL BILIRUBIN
ELEVATION of direct
DIRECT BILIRUBIN
(conjugated) bilirubin is
INDIRECT BILIRUBIN
seen in cholestasis and late
(CON’T)
in the course of chronic
liver disease. Indirect
(unconjugated) bilirubin
tends to predominate in
hemolysis and Gilbert’s
disease.
DECREASED serum total
bilirubin is probably not of
clinical significance but has
been observed in iron
deficiency anemia.
BNP
Why get tested?
0-100 pg/mL
To help diagnose the
presence and severity of
heart failure
When to get tested?
If you have symptoms of
heart failure, such as
shortness of breath and
fatigue, or if you are being
treated for heart failure
CALCIUM
HYPERCALCEMIA is
8.4-10.7 mg/dL
seen in malignant
neoplasms (with or without
bone involvement), primary
and tertiary
hyperparathyroidism,
sarcoidosis, Vitamin D
intoxication, milk-alkali
syndrome, Paget’s disease
of bone (with
immobilization),
thyrotoxicosis, acromegaly,
and diuretic phase of renal
acute tubular necrosis. For
a given total calcium level,
acidosis increases the
physiologically active
ionized form of calcium.
Prolonged tourniquet
pressure during
venipuncture may
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