AutoICD API

O99.3

Non-billable

Mental disord and dis of the nervous sys compl preg/chldbrth

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

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

O94-O9A

Parent Code

O99

Child Codes

5

Coding Notes

Includes

Conditions included under this code

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

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • supervision of normal pregnancy (Z34.-)

Excludes 2

Conditions not included here, but the patient may have both

  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
  • when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

Use Additional Code

Additional codes that should follow this code

  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
  • code to identify specific condition

Child Codes (5)

O99.31

Alcohol use comp pregnancy, childbirth, and the puerperium

O99.32

Drug use comp pregnancy, childbirth, and the puerperium

O99.33

Tobacco use disorder comp pregnancy, chldbrth, and the puerp

O99.34

Oth mental disorders comp pregnancy, chldbrth, and the puerp

O99.35

Dis of the nervous sys comp preg, chldbrth, and the puerp

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code O99.3?

ICD-10-CM code O99.3 represents "Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium". It is a non-billable header code — use a more specific child code for billing purposes.

Is O99.3 a billable code?

No, O99.3 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under O99.3.

What chapter is O99.3 in?

O99.3 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).

What codes cannot be used with O99.3?

O99.3 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).

What are the subcategories under O99.3?

O99.3 has 5 child codes, including: O99.31 (Alcohol use comp pregnancy, childbirth, and the puerperium), O99.32 (Drug use comp pregnancy, childbirth, and the puerperium), O99.33 (Tobacco use disorder comp pregnancy, chldbrth, and the puerp), O99.34 (Oth mental disorders comp pregnancy, chldbrth, and the puerp), and 1 more.

Are additional codes required with O99.3?

Yes, when using O99.3 you should also code: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.; code to identify specific condition.

What are the UMLS CUIs for O99.3?

O99.3 is linked to 1 UMLS Concept Unique Identifier: C0495315. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.