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  6. 2024 ICD-10-CM Code O36.199

2024 ICD-10-CM Diagnosis Code O36.199

Maternal care for other isoimmunization, unspecified trimester

ICD-10-CM Code:
O36.199
ICD-10 Code for:
Maternal care for other isoimmunization, unsp trimester
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Pregnancy, childbirth and the puerperium
    (O00-O9A)
    • Maternal care related to the fetus and amniotic cavity and possible delivery problems
      (O30-O48)
      • Maternal care for other fetal problems
        (O36)

O36.199 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of maternal care for other isoimmunization, unspecified trimester. The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Unspecified diagnosis codes like O36.199 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Specific Coding Applicable to Maternal care for other isoimmunization, unsp trimester

Non-specific codes like O36.199 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for maternal care for other isoimmunization, unsp trimester:

  • Use O36.1990 for not applicable or unspecified - BILLABLE CODE

  • Use O36.1991 for fetus 1 - BILLABLE CODE

  • Use O36.1992 for fetus 2 - BILLABLE CODE

  • Use O36.1993 for fetus 3 - BILLABLE CODE

  • Use O36.1994 for fetus 4 - BILLABLE CODE

  • Use O36.1995 for fetus 5 - BILLABLE CODE

  • Use O36.1999 for other fetus - BILLABLE CODE

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • 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
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.