ICD-10 Code O36.8310

Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, not applicable or unspecified

Version 2019 Billable Code Maternity Diagnoses Diagnoses For Females Only First Trimester (0 to 13 Weeks)
ICD-10:O36.8310
Short Description:Matern care for abnlt fetl hrt rate or rhym, 1st tri, unsp
Long Description:Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, not applicable or unspecified

Valid for Submission

ICD-10 O36.8310 is a billable code used to specify a medical diagnosis of maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, not applicable or unspecified. The code is valid for the year 2019 for the submission of HIPAA-covered transactions.

Code Classification

  • Pregnancy, childbirth and the puerperium (O00–O99)
    • Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
      • Maternal care for other fetal problems (O36)

Information for Medical Professionals

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 - Diagnoses for females only.

Convert O36.8310 to ICD-9

The following crosswalk between ICD-10 to ICD-9 is based based on the General Equivalence Mappings (GEMS) information:

  • 656.81 - Fet/plac prob NEC-deliv (Approximate Flag)
  • 656.83 - Fet/plac prob NEC-antepa (Approximate Flag)

Replacement Code

O368310 replaces the following previously assigned ICD-10 code(s):

  • O36.8910 - Maternal care for oth fetal problems, first trimester, unsp

ICD-10 Footnotes

General Equivalence Map Definitions
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Approximate Flag - The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.
  • No Map Flag - The no map flag indicates that a code in the source system is not linked to any code in the target system.
  • Combination Flag - The combination flag indicates that more than one code in the target system is required to satisfy the full equivalent meaning of a code in the source system.