ICD-10-CM Code O23.511

Valid for Submission

O23.511 is a billable code used to specify a medical diagnosis of infections of cervix in pregnancy, first trimester. The code is valid for the year 2020 for the submission of HIPAA-covered transactions.

The code O23.511 is applicable to female patients aged 12 through 55 years inclusive. It is clinically and virtually impossible to use this code on a non-female patient outside the stated age range.

Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

• Maternity diagnoses - Maternity. Age range is 12–55 years inclusive (e.g., diabetes in pregnancy, antepartum pulmonary complication).
• Diagnoses for females only - Medicare Code Editor detects inconsistencies between a patient’s sex and any diagnosis on the patient’s record, this code applies to FEMALES only .

Diagnostic Related Groups

The ICD-10 code O23.511 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2019 through 09/30/2020.

• 817 - OTHER ANTEPARTUM DIAGNOSES WITH O.R. PROCEDURE WITH MCC
• 818 - OTHER ANTEPARTUM DIAGNOSES WITH O.R. PROCEDURE WITH CC
• 819 - OTHER ANTEPARTUM DIAGNOSES WITH O.R. PROCEDURE WITHOUT CC/MCC

Convert O23.511 to ICD-9

• 646.61 - Gu infection-delivered (Approximate Flag)
• 646.63 - Gu infection-antepartum (Approximate Flag)

Code Classification

• Pregnancy, childbirth and the puerperium (O00–O99)
  • Other maternal disorders predominantly related to pregnancy (O20-O29)
    • Infections of genitourinary tract in pregnancy (O23)

Code History

• FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
  (First year ICD-10-CM implemented into the HIPAA code set)
• FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
• FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
• FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
• FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

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• Convert O23.511 to ICD-9