O99.35
Header — not billableDiseases of the nervous system complicating pregnancy, childbirth, and the puerperium
The ICD-10 code for diseases of the nervous system complicating pregnancy, childbirth, and the puerperium is O99.35.
O99.35 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- pregnancy related peripheral neuritis (O26.8-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under O99.35
- O99.350Diseases of the nervous system complicating pregnancy, unspecified trimester
- O99.351Diseases of the nervous system complicating pregnancy, first trimester
- O99.352Diseases of the nervous system complicating pregnancy, second trimester
- O99.353Diseases of the nervous system complicating pregnancy, third trimester
- O99.354Diseases of the nervous system complicating childbirth
- O99.355Diseases of the nervous system complicating the puerperium
Related codes in this category
- O99.31Alcohol use complicating pregnancy, childbirth, and the puerperiumnon-billable header
- O99.32Drug use complicating pregnancy, childbirth, and the puerperiumnon-billable header
- O99.33Tobacco use disorder complicating pregnancy, childbirth, and the puerperiumnon-billable header
- O99.34Other mental disorders complicating pregnancy, childbirth, and the puerperiumnon-billable header
- O99.35Diseases of the nervous system complicating pregnancy, childbirth, and the puerperiumnon-billable header