O11.1 PRE-EXISTING HYPERTENSION W PRE-ECLAMPSIA, FIRST TRIMESTER

Code Information

  • Diagnosis Code: O11.1
  • Short Description: Pre-existing hypertension w pre-eclampsia, first trimester
  • Long Description: Pre-existing hypertension with pre-eclampsia, first trimester
  • Code Version: 2025 ICD-10-CM

The code O11.1 is VALID for claim submission

Code Classification

This code is valid for maternity diagnoses

Diagnostic Related Group(s)

The code O11.1 is grouped in the following Diagnostic Related Group(s) MS-DRG V42.0

  1. Other Antepartum Diagnoses With O.r. Procedures With Mcc (817)
  2. Other Antepartum Diagnoses With O.r. Procedures With Cc (818)
  3. Other Antepartum Diagnoses With O.r. Procedures Without Cc/mcc (819)
  4. Other Antepartum Diagnoses Without O.r. Procedures With Mcc (831)
  5. Other Antepartum Diagnoses Without O.r. Procedures With Cc (832)
  6. Other Antepartum Diagnoses Without O.r. Procedures Without Cc/mcc (833)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
O11.1 Right Arrow 642.21 Old hyperten NEC-deliver
642.23 Old hyperten NEC-antepar
642.71 Tox w old hyperten-deliv
642.73 Tox w old hyper-antepart
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
O11.2 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
O11.9 Pre-existing hypertension with pre-eclampsia, unspecified trimester
This page was last updated on: 10/1/2024
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