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Diagnosis Code

O11.9 PRE-EXISTING HYPERTENSION WITH PRE-ECLAMPSIA, UNSP TRIMESTER


Code Information

Diagnosis Code: O11.9

Short Description: Pre-existing hypertension with pre-eclampsia, unsp trimester

Long Description: Pre-existing hypertension with pre-eclampsia, unspecified trimester

The code O11.9 is VALID for claim submission

Code Classification:

  • Pregnancy, childbirth and the puerperium (O00-O9A)
    • Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
      • Pre-existing hypertension with pre-eclampsia (O11)
        • O11.9 Pre-existing hypertension with pre-eclampsia, unsp trimester

This code is valid for maternity diagnoses

Code Version: 2022 ICD-10-CM


Synonyms

  • Pre-eclampsia
  • Pre-eclampsia added to pre-existing hypertension
  • Pre-eclampsia or eclampsia with pre-existing hypertension
  • Pre-eclampsia or eclampsia with pre-existing hypertension
  • Pre-eclampsia or eclampsia with pre-existing hypertension with postnatal complication

Diagnostic Related Group(s)

The code O11.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Other Antepartum Diagnoses With O.r. Procedures With Mcc (817)
  • Other Antepartum Diagnoses With O.r. Procedures With Cc (818)
  • Other Antepartum Diagnoses With O.r. Procedures Without Cc/mcc (819)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
O11.9 Right Arrow 642.20 Old hyperten preg-unspec
642.70 Tox w old hyperten-unsp

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
O11 Pre-existing hypertension with pre-eclampsia
O11.1 Pre-existing hypertension with pre-eclampsia, first trimester
O11.2 Pre-existing hypertension with pre-eclampsia, second trimester
O11.3 Pre-existing hypertension with pre-eclampsia, third trimester
O11.4 Pre-existing hypertension with pre-eclampsia, complicating childbirth
O11.5 Pre-existing hypertension with pre-eclampsia, complicating the puerperium

This page was last updated on: 10/1/2023

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