ICD-10-CM Current in FY 2027

O99.35

Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium

Hierarchy

Where O99.35 sits in the official hierarchy. Each level is the code it is classified under.

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care

Inherited from O99 — Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

Inclusion Terms

Conditions in G00-G99

Excludes2

pregnancy related peripheral neuritis ( O26.8- )

Excludes2

when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

Inherited from O99 — Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

Use Additional Code

code to identify specific condition

Inherited from O99 — Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

6 codes under O99.35

How O99.35 appears in each release imported from the official files, newest first.

FY 2027 Effective October 1, 2026
Current

Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium
FY 2026 Effective October 1, 2025
Unchanged

Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.

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