Diagnosis Code

O16.2 UNSPECIFIED MATERNAL HYPERTENSION, SECOND TRIMESTER


Code Information

Diagnosis Code: O16.2

Short Description: Unspecified maternal hypertension, second trimester

Long Description: Unspecified maternal hypertension, second trimester

The code O16.2 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)
      • Unspecified maternal hypertension (O16)
        • O16.2 Unspecified maternal hypertension, second trimester

This code is valid for maternity diagnoses

Code Version: 2022 ICD-10-CM


Diagnostic Related Group(s)

The code O16.2 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
O16.2 Right Arrow 642.91 Hypertens NOS-delivered
642.93 Hypertens NOS-antepartum
642.94 Hypertens NOS-postpartum

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
O16 Unspecified maternal hypertension
O16.1 Unspecified maternal hypertension, first trimester
O16.3 Unspecified maternal hypertension, third trimester
O16.4 Unspecified maternal hypertension, complicating childbirth
O16.5 Unspecified maternal hypertension, complicating the puerperium
O16.9 Unspecified maternal hypertension, unspecified trimester


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