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  6. 2025 ICD-10-CM Code O43

2025 ICD-10-CM Diagnosis Code O43

Placental disorders

ICD-10-CM Code:
O43
ICD-10 Code for:
Placental disorders
Is Billable?
Not Valid for Submission
Code Navigator:

O43 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of placental disorders. The code is not specific and is NOT valid for the year 2025 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.

Specific Coding Applicable to Placental disorders

Non-specific codes like O43 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 placental disorders:

  • O43.0 for Placental transfusion syndromes - NON-BILLABLE CODE

  • O43.01 for Fetomaternal placental transfusion syndrome - NON-BILLABLE CODE

  • O43.02 for Fetus-to-fetus placental transfusion syndrome - NON-BILLABLE CODE

  • O43.1 for Malformation of placenta - NON-BILLABLE CODE

  • O43.10 for Malformation of placenta, unspecified - NON-BILLABLE CODE

  • O43.11 for Circumvallate placenta - NON-BILLABLE CODE

  • O43.12 for Velamentous insertion of umbilical cord - NON-BILLABLE CODE

  • O43.19 for Other malformation of placenta - NON-BILLABLE CODE

  • O43.2 for Morbidly adherent placenta - NON-BILLABLE CODE

  • O43.21 for Placenta accreta - NON-BILLABLE CODE

  • O43.22 for Placenta increta - NON-BILLABLE CODE

  • O43.23 for Placenta percreta - NON-BILLABLE CODE

  • O43.8 for Other placental disorders - NON-BILLABLE CODE

  • O43.81 for Placental infarction - NON-BILLABLE CODE

  • O43.89 for Other placental disorders - NON-BILLABLE CODE

  • O43.9 for Unspecified placental disorder - NON-BILLABLE CODE

  • Use O43.90 for Unspecified placental disorder, unspecified trimester - BILLABLE CODE

  • Use O43.91 for Unspecified placental disorder, first trimester - BILLABLE CODE

  • Use O43.92 for Unspecified placental disorder, second trimester - BILLABLE CODE

  • Use O43.93 for Unspecified placental disorder, third trimester - BILLABLE CODE

Code Classification

  • Pregnancy, childbirth and the puerperium
    O00-O9A
    • Maternal care related to the fetus and amniotic cavity and possible delivery problems
      O30-O48
      • Placental disorders
        O43

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Type 2 Excludes

Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
  • maternal care for poor fetal growth due to placental insufficiency O36.5
  • placenta previa O44
  • placental polyp O90.89
  • placentitis O41.14
  • premature separation of placenta abruptio placentae O45

Patient Education


Health Problems in Pregnancy

Every pregnancy has some risk of problems, but there are certain conditions and health issues that can raise that risk, such as:

  • A health condition you had before you got pregnant
  • A health condition you develop during pregnancy
  • A pregnancy with more than one baby
  • A health problem that happened during a previous pregnancy and could happen again
  • Substance use during pregnancy
  • Being over age 35

Any of these can affect your health, the health of your baby, or both.

If you have a chronic condition, you should talk to your health care provider about how to minimize your risk before you get pregnant. Once you are pregnant, you may need a health care team to monitor your pregnancy. Some common conditions that can complicate a pregnancy include:

  • High blood pressure
  • Kidney problems
  • Autoimmune diseases
  • Obesity
  • HIV
  • Cancer
  • Infections

Other conditions that may make pregnancy risky can develop during pregnancy - for example, gestational diabetes and Rh incompatibility. Good prenatal care can help detect and treat them.

Some symptoms, such as nausea, back pain, and fatigue, are common during pregnancy. Sometimes it is hard to know what is normal. Call your health care provider if something is bothering or worrying you.


[Learn More in MedlinePlus]

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.