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ICD-10-CM Current in FY 2027

O99.413

Diseases of the circulatory system complicating pregnancy, third trimester

Release
FY 2027
Effective

Hierarchy

Where O99.413 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. O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium
  3. O99.41 Parent Diseases of the circulatory system complicating pregnancy
  4. O99.413 This code Diseases of the circulatory system complicating pregnancy, third 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

Excludes1

peripartum cardiomyopathy ( O90.3 )

Inherited from O99.4 — Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium

Excludes2

hypertensive disorders (O10-O16)

Inherited from O99.4 — Diseases of the circulatory system 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

Excludes2

obstetric embolism ( O88 .-)

Inherited from O99.4 — Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium

Excludes2

venous complications and cerebrovenous sinus thrombosis in labor, childbirth and the puerperium ( O87 .-)

Inherited from O99.4 — Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium

Excludes2

venous complications and cerebrovenous sinus thrombosis in pregnancy ( O22 .-)

Inherited from O99.4 — Diseases of the circulatory system 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 O99.413 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Diseases of the circulatory system complicating pregnancy, third trimester

  2. FY 2026 Effective

    Unchanged

    Diseases of the circulatory system complicating pregnancy, third trimester

Other codes under O99.41

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)

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