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O99.350

Billable

Diseases of the nervous system complicating pregnancy, unspecified trimester

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

What This Code Means

A pregnant woman has a disease of the nervous system (such as epilepsy, multiple sclerosis, or Parkinson's disease) that complicates her pregnancy, but the specific trimester is not documented.

Coding Tips

  • Use this code only when trimester is unspecified; if trimester is documented, use O99.351-O99.353
  • Specify the type of nervous system disease in documentation for clarity

Code Hierarchy

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