MedCodeSearch
ICD-10-CM Current in FY 2027

O99.320

Drug use complicating pregnancy, unspecified trimester

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where O99.320 sits in the official hierarchy. Each level is the code it is classified under.

  1. O99 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
  2. O99.3 Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium
  3. O99.32 Parent Drug use complicating pregnancy, childbirth, and the puerperium
  4. O99.320 This code Drug use complicating pregnancy, unspecified trimester

Official Coding Notes

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

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

Inherited from O99.32 — Drug use 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

Version History

How O99.320 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Drug use complicating pregnancy, unspecified trimester

  2. FY 2026 Effective

    Unchanged

    Drug use complicating pregnancy, unspecified trimester

Related Codes

Other codes under O99.32

Data Source

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

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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

Look up another code

Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.