What is Creatine Kinase?

Creatine Kinase (CK) is an enzyme that helps produce energy in the muscle. The greatest number of CK enzymes are found in striated muscles like skeletal muscles and the heart. Lesser amounts exist throughout the brain, gastrointestinal tract, and urinary bladder.

What is a Creatine Kinase test for?

A Creatine Kinase test can be used as a marker for muscle injury. Conditions that can result in elevated Creatine Kinase are: Heart attacks Skeletal muscle injuries Some muscle disorders These conditions can cause Creatine Kinase to be released into the bloodstream as a byproduct of muscle injury, increasing this enzyme's blood concentration.

Why test for Creatine Kinase?

A CK test may be used to detect conditions related to muscle breakdown and inflammation, such as: Myositis Rhabdomyolysis Myopathies Heart attacks A series of CK tests may be used to monitor the progression or resolution of muscle damage. If your CK results are abnormal, your doctor will guide you through further testing and treatment options.

Do I need to visit a doctor?

Nope. You don't need a doctor's visit to get a test with us.

How do I get my results?

You'll get your results via email as soon as they are available. We will notify you via SMS as well. You can also see them at any time in the future right in your dashboard where you can easily share them with your professional and compare them side by side with future tests.

Does my lab prescription expire?

We're the only lab that honors your lab order forever.

Creatine Kinase (CK), Total, Serum

HSA/FSA accepted

Pinpoint muscle damage or stress sources
Reveal potential heart issues early
Clarify unexplained muscle pain causes

^$53

What’s included

Earn 53 points

No need to visit a doctor
Results by email & SMS
Prescription never expires
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HSA/FSA accepted

Creatine Kinase (CK), Total, Serum

Pinpoint muscle damage or stress sources
Reveal potential heart issues early
Clarify unexplained muscle pain causes

^$ 53

Earn 53 points

What’s included

HSA/FSA accepted

Creatine Kinase (CK), Total, Serum

Pinpoint muscle damage or inflammation
Reveal underlying causes of muscle pain
Assess your overall muscle health

^$ 48

Earn 48 points

What’s included

FAQ

What is Creatine Kinase?

Creatine Kinase (CK) is an enzyme that helps produce energy in the muscle. The greatest number of CK enzymes are found in striated muscles like skeletal muscles and the heart. Lesser amounts exist throughout the brain, gastrointestinal tract, and urinary bladder.
What is a Creatine Kinase test for?
A Creatine Kinase test can be used as a marker for muscle injury. Conditions that can result in elevated Creatine Kinase are:
- Heart attacks
- Skeletal muscle injuries
- Some muscle disorders
These conditions can cause Creatine Kinase to be released into the bloodstream as a byproduct of muscle injury, increasing this enzyme's blood concentration.
Why test for Creatine Kinase?
A CK test may be used to detect conditions related to muscle breakdown and inflammation, such as:
- Myositis
- Rhabdomyolysis
- Myopathies
- Heart attacks
A series of CK tests may be used to monitor the progression or resolution of muscle damage. If your CK results are abnormal, your doctor will guide you through further testing and treatment options.
Do I need to visit a doctor?

Nope. You don't need a doctor's visit to get a test with us.
How do I get my results?

You'll get your results via email as soon as they are available. We will notify you via SMS as well. You can also see them at any time in the future right in your dashboard where you can easily share them with your professional and compare them side by side with future tests.
Does my lab prescription expire?

We're the only lab that honors your lab order forever.