2021 ICD-10-CM Code O36.8329

Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, other fetus

Version 2021
Billable Code
7th Character Code
Maternity Diagnoses
Diagnoses For Females Only
Second Trimester (14 to 27 Weeks)
MS-DRG Mapping

Valid for Submission

O36.8329 is a billable diagnosis code used to specify a medical diagnosis of maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, other fetus. The code O36.8329 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

The code O36.8329 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.

ICD-10:O36.8329
Short Description:Matern care for abnlt of fetl hrt rate or rhym, 2nd tri, oth
Long Description:Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, other fetus

Code Classification

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:

Replacement Code

O368329 replaces the following previously assigned ICD-10 code(s):

Convert O36.8329 to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code O36.8329 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018