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ICD-10-CM Current in FY 2027

O11.4

Pre-existing hypertension with pre-eclampsia, complicating childbirth

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

Hierarchy

Where O11.4 sits in the official hierarchy. Each level is the code it is classified under.

  1. O11 Parent Pre-existing hypertension with pre-eclampsia
  2. O11.4 This code Pre-existing hypertension with pre-eclampsia, complicating childbirth

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 in O10 complicated by pre-eclampsia

Inherited from O11 — Pre-existing hypertension with pre-eclampsia

Includes

pre-eclampsia superimposed pre-existing hypertension

Inherited from O11 — Pre-existing hypertension with pre-eclampsia

Use Additional Code

code from O10 to identify the type of hypertension

Inherited from O11 — Pre-existing hypertension with pre-eclampsia

Version History

How O11.4 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Pre-existing hypertension with pre-eclampsia, complicating childbirth

  2. FY 2026 Effective

    Unchanged

    Pre-existing hypertension with pre-eclampsia, complicating childbirth

Related Codes

Other codes under O11

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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