What is the approach when special CSF testing is indicated following a lumbar puncture (LP)?

Updated: Aug 02, 2018
  • Author: Gil Z Shlamovitz, MD, FACEP; Chief Editor: Helmi L Lutsep, MD  more...
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Answer

At some institutions, only 3 tubes are sent for analysis, and tube 4 is reserved for special studies when indicated. In this approach, the following studies are done:

  • Tube 1 - Protein and glucose levels

  • Tube 2 - Gram stain, C&S

  • Tube 3 - Cell count and differential


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