Which lab studies are indicated in the workup of brachial neuritis (BN)?

Updated: May 06, 2020
  • Author: Nigel L Ashworth, MBChB, MSc, FRCPC; Chief Editor: Milton J Klein, DO, MBA  more...
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Answer

Laboratory values are usually within the reference range. Laboratory studies are indicated only if systemic disease is suspected on clinical grounds. The complete blood count (CBC) and erythrocyte sedimentation rate (ESR) can be used as nonspecific indicators of systemic disease. Antinuclear antibody (ANA) values can be used as a marker for connective-tissue disease. Human immunodeficiency virus (HIV) serology can also be performed.


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