O99.352
BillableDiseases of the nervous system complicating pregnancy, second 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 fourth through sixth months of pregnancy.
Coding Tips
- •Document the specific neurological condition separately with its own ICD-10 code
- •The fifth character '2' indicates second trimester; confirm gestational age documentation
Code Hierarchy
└O99Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium└O99.3Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium└O99.35Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium└O99.352Diseases of the nervous system complicating pregnancy, second trimester
└O99.352Diseases of the nervous system complicating pregnancy, second trimester