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A 25-year-old female asked:

What can be the cause of low serum creatine kinase? level is 26 iu/l?

2 doctor answers6 doctors weighed in
Dr. Carrie Cannon
A Verified Doctoranswered
A US doctor answeredLearn more
Low CPK: Any cause of inactivity and reduced muscle mass, found in connective tissue diseases such as rheumatoid arthritis and systemic lupus erythematosis. http://www.clinchem.org/content/44/5/905.full
Dr. Ed Friedlander
Pathology 44 years experience
Means nothing: Reference ranges are set so that several percent of healthies fall outside on either end. Stop worrying. Ask your physician about what kind of aerobic fitness would be right for you.

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A female asked:

My level of creatine kinase is 49, Is this level low. and what does it mean?

1 doctor answer1 doctor weighed in
Dr. Gregory Thompson
A Verified Doctoranswered
A US doctor answeredLearn more
Probably normal: Creatine kinase (CK), also known as creatine phosphokinase (CPK) is an enzyme made by muscle tissues, including the heart muscle. Doctors most often are concerned with high levels of CK, which may indicate muscle damage. "Normal range" varies by laboratory, but a level of 49 is probably within the normal range of most laboratories.

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Last updated Dec 13, 2018
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