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A27.81

Billable

Aseptic meningitis in leptospirosis

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

This is a serious infection caused by leptospirosis bacteria that has spread to the membranes surrounding the brain and spinal cord, causing inflammation without bacterial pus formation. It results in meningitis symptoms like severe headache, fever, and neck stiffness.

Coding Tips

  • •Verify documentation confirms both leptospirosis diagnosis and meningitis involvement before assigning this combination code
  • •This is a manifestation code that should be used with the underlying leptospirosis code (A27.0-A27.9) as the primary diagnosis when both conditions are documented

Code Hierarchy

└A27Leptospirosis└A27.8Other forms of leptospirosis└A27.81Aseptic meningitis in leptospirosis
└A27.81Aseptic meningitis in leptospirosis

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