ICD-10 Code O36.1933

Maternal care for other isoimmunization, third trimester, fetus 3

Version 2019 Billable Code Maternity Diagnoses Diagnoses For Females Only Third Trimester (28+ weeks)

Valid for Submission

O36.1933 is a billable code used to specify a medical diagnosis of maternal care for other isoimmunization, third trimester, fetus 3. The code is valid for the year 2019 for the submission of HIPAA-covered transactions.

ICD-10: O36.1933
Short Description:Maternal care for oth isoimmun, third trimester, fetus 3
Long Description:Maternal care for other isoimmunization, third trimester, fetus 3

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)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (first year ICD-10-CM implemented into the HIPAA mandated 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

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 - Medicare Code Editor detects inconsistencies between a patient’s sex and any diagnosis on the patient’s record, this code applies to FEMALES only .

Convert O36.1933 to ICD-9

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

  • 656.21 - Abo isoimmunizat-deliver (Approximate Flag)
  • 656.23 - Abo isoimmunizat-antepar (Approximate Flag)

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.