CK-MM details
Description
CK-MM is the form (isoenzyme) of creatine kinase found predominantly in skeletal muscle, and it typically makes up the large majority of your total CK level under normal circumstances. Elevated CK-MM usually reflects skeletal muscle injury or breakdown — this can be as benign as recent intense exercise or a minor muscle injury, or more significant, as with muscular dystrophy, inflammatory muscle diseases (myositis), certain medication side effects (like some cholesterol-lowering statins), or rhabdomyolysis (severe muscle breakdown). Because total CK is usually reported without breaking out isoenzymes unless specifically needed, CK-MM testing is typically ordered when it's important to confirm that an elevated total CK is muscle-related rather than heart-related.
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Blood tests with CK-MM
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Creatine Kinase Isoenzymes
$48.99
The Creatine Kinase Isoenzymes test is used to confirm or rule out the diagnosis of acute myocardial infarction, assess its severity, and monitor the patient's condition.
- CK-BB A form (isoenzyme) of creatine kinase found mainly in brain tissue. Less commonly used clinically than the heart- and muscle-specific forms.
- CK-MB A form of creatine kinase found mainly in heart muscle. Historically used to help detect heart muscle damage, such as a heart attack.
- CK-MM A form of creatine kinase found mainly in skeletal muscle. Elevated levels typically reflect muscle injury or strenuous exercise rather than heart damage.
- Creatine Kinase An enzyme found in muscle, heart, and brain tissue. Elevated levels typically indicate muscle damage, from injury, intense exercise, or certain medical conditions.
- Macro CK Type 1 A less common, larger form of creatine kinase bound to an antibody. Usually a benign finding rather than a sign of tissue damage, but can cause a persistently elevated CK result.
- Macro CK Type 2 A less common, larger form of creatine kinase, typically seen in people who are critically ill; unlike Type 1, it can reflect a more serious underlying condition.
Creatine Kinase Isoenzymes (CK Isoenzymes) with Total CK
$28.49
This test measures creatine kinase (CK), an enzyme found primarily in striated muscle and heart tissue, and may be useful in assessing muscle damage. Total CK and fractions of CK isoenzymes are reported. CK is a dimeric enzyme composed of either 2 B subunits (CK-BB), 2 M subunits (CK-MM), or an M and a B subunit (CK-MB). CK-MM is the primary isoenzyme found in the skeletal muscle and heart tissue. CK-BB is mainly found in the brain and smooth muscle of gastrointestinal tract and urinary bladder. CK-MB is mainly found in the heart with a small amount in skeletal muscle [1].
- CK-BB A form (isoenzyme) of creatine kinase found mainly in brain tissue. Less commonly used clinically than the heart- and muscle-specific forms.
- CK-MB A form of creatine kinase found mainly in heart muscle. Historically used to help detect heart muscle damage, such as a heart attack.
- CK-MM A form of creatine kinase found mainly in skeletal muscle. Elevated levels typically reflect muscle injury or strenuous exercise rather than heart damage.
- Creatine Kinase An enzyme found in muscle, heart, and brain tissue. Elevated levels typically indicate muscle damage, from injury, intense exercise, or certain medical conditions.