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O99.353

Billable

Diseases of the nervous system complicating pregnancy, third 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 affecting the nervous system during the seventh through ninth months of pregnancy.

Coding Tips

  • •Link this code with the underlying neurological diagnosis for complete clinical picture
  • •The fifth character '3' indicates third trimester; verify timing aligns with delivery date

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