O16.1 UNSPECIFIED MATERNAL HYPERTENSION, FIRST TRIMESTER

Code Information

  • Diagnosis Code: O16.1
  • Short Description: Unspecified maternal hypertension, first trimester
  • Long Description: Unspecified maternal hypertension, first trimester
  • Code Version: 2025 ICD-10-CM

The code O16.1 is VALID for claim submission

Code Classification

This code is valid for maternity diagnoses

Diagnostic Related Group(s)

The code O16.1 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
O16.1 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
O16.2 Unspecified maternal hypertension, second 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: 10/1/2024
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