ICD-10-CM O99.3: Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium

ICD-10-CM Diagnosis Code (2025)

Official Description for O99.3

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

Coding Notes & Guidelines for O99.3

Excludes2: Not Included Here
  • postpartum mood disturbance (O90.6)
  • postnatal psychosis (F53.1)
  • puerperal psychosis (F53.1)
Excludes2: Not Included Here

pregnancy related peripheral neuritis (O26.8-)

Use Additional Code

code(s) from F10 to identify manifestations of the alcohol use

Use Additional Code

code(s) from F11-F16 and F18-F19 to identify manifestations of the drug use

Use Additional Code

code from category F17 to identify type of tobacco nicotine dependence

Inclusion Terms

Smoking complicating pregnancy, childbirth, and the puerperium

Inclusion Terms

Conditions in F01-F09, F20-F52 and F54-F99

Inclusion Terms

Conditions in G00-G99

Parent Code (Less Specific):

O99 - Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

About ICD-10-CM Code O99.3 (Mental disorders and diseases of the nervous system complicating pregnancy)

ICD-10-CM code O99.3 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM O99.3 became effective on October 1, 2024.

This page provides detailed information about O99.3 - Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Mental disorders and diseases of the nervous system complicating pregnancy related to childbirth and the puerperium.