Blood Test Clinical Significance Chart
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28BLOOD TEST CLINICAL SIGNIFICANCE
The listings below discuss a few of the more common things measured in chemistry and
hematology tests and their clinical significance.
TESTS
CLINICAL
NORMAL
SIGNIFICANCE
RANGE
PROFILES
LYTES
Why get tested?
NA: 132-142 mmol/L
Centrifuge specimen and refrigerate if
To detect a problem with
K: 3.6-5.0 mmol/L
the body’s electrolyte
CL: 101-111 mmol/L
pickup time is more than 2 hrs.
balance
CO2: 21-31 mmol/L
When to get tested?
Anion Gap: 6-16
As part of routine health
screening, or when your
doctor suspects that you
have an excess or deficit of
one of the electrolytes
(usually sodium or
potassium), or if your
doctor suspects an
acid-
base imbalance
BASIC METABOLIC PANEL (BMP)
The Basic Metabolic Panel
GLUC: 60-110 mg/d
Centrifuge specimen and refrigerate if
(BMP) is a group of 8 tests
BUN: 8-24 mg/dL
pickup time is more than 2 hrs.
(or sometimes 7 tests) that
CRET: 0.9-1.6 mg/dL
is ordered as a screening
CA: 8.4-10.7 mg/dL
tool to check for conditions,
NA: 132-142 mmol/L
such as
diabetes
and
kidney
K: 3.6-5.0 mmol/L
disease. The BMP uses a
CL: 101-111 mmol/L
tube of blood collected by
CO2: 21-31 mmol/L
inserting a needle into a
Anion Gap: 6-16
vein in your arm. Fasting
for 10 to 12 hours prior to
the blood draw may be
preferred.
The BMP is often ordered
in the hospital emergency
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