O99.35 Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium

⚠ Non-Billable ICD-10-CM 2026
Create your free account → Open O99.35 in the app →

Get what a quick lookup can't: the AI assistant for official-guideline questions, HCC risk-adjustment mappings (CMS-HCC V24/V28, RxHCC), FDA drug indications, and AHA Coding Clinic references for O99.35.

The ICD-10-CM code for Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium is O99.35 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
O94-O9A: Other obstetric conditions, not elsewhere classified (O94-O9A)
Category O99
124 codes (96 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O99.35:

  • Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › nervous system condition (conditions in G00-G99)
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • pregnancy related peripheral neuritis (O26.8-)

Inclusion Terms

  • Conditions in G00-G99

References

Cite This Page

Reference O99.35 with the canonical source and edition:

O99.35 — Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/O99.35

Canonical URL: https://icd10codingpro.com/codes/O99.35

Related Codes

Parent Code

O99.3 Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium

More Specific Codes

O99.350 Diseases of the nervous system complicating pregnancy, unspecified trimester O99.351 Diseases of the nervous system complicating pregnancy, first trimester O99.352 Diseases of the nervous system complicating pregnancy, second trimester O99.353 Diseases of the nervous system complicating pregnancy, third trimester O99.354 Diseases of the nervous system complicating childbirth O99.355 Diseases of the nervous system complicating the puerperium

Other Codes Under O99.3

O99.31 Alcohol use complicating pregnancy, childbirth, and the puerperium O99.32 Drug use complicating pregnancy, childbirth, and the puerperium O99.33 Tobacco use disorder complicating pregnancy, childbirth, and the puerperium O99.34 Other mental disorders complicating pregnancy, childbirth, and the puerperium
Search all 70,000+ ICD-10-CM codes →
Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

Get HCC Mappings, Clinical Summaries, and More

Access premium features including HCC risk adjustment, FDA drug indications, AI coding assistant, and comprehensive clinical context.

Start Free Trial