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Diagnosis Code

O13.1 GESTATIONAL HTN W/O SIGNIFICANT PROTEINURIA, FIRST TRIMESTER


Code Information

Diagnosis Code: O13.1

Short Description: Gestational htn w/o significant proteinuria, first trimester

Long Description: Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimester

The code O13.1 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)
      • Gestational hypertension without significant proteinuria (O13)
        • O13.1 Gestational htn w/o significant proteinuria, first trimester

This code is valid for maternity diagnoses

Code Version: 2022 ICD-10-CM


Diagnostic Related Group(s)

The code O13.1 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
O13.1 Right Arrow 642.31 Trans hyperten-delivered
642.32 Trans hyperten-del w p/p
642.33 Trans hyperten-antepart
642.34 Trans hyperten-postpart

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
O13 Gestational [pregnancy-induced] hypertension without significant proteinuria
O13.2 Gestational [pregnancy-induced] hypertension without significant proteinuria, second trimester
O13.3 Gestational [pregnancy-induced] hypertension without significant proteinuria, third trimester
O13.4 Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating childbirth
O13.5 Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperium
O13.9 Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester

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

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