What is the role of lab tests in the workup of myofascial pain (MP)?

Updated: Mar 15, 2019
  • Author: Jennifer E Finley, MD, FAAPMR; Chief Editor: Dean H Hommer, MD  more...
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No specific lab tests confirm a diagnosis of myofascial pain (MP), but lab tests can be helpful in looking for predisposing conditions, such as hypothyroidism, hypoglycemia, and vitamin deficiencies. Specific tests that may be helpful include complete blood count (CBC), chemistry profile, erythrocyte sedimentation rate (ESR), and levels of vitamins C, B-1, B-6, B-12, and folic acid. A thyrotropin level may be helpful if clinical features of thyroid disease are present.

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