O43 ICD-10-CM Code: Placental disorders
A clear reference for the official code description, hierarchy, and related coding information from the April 2026 U.S. release.
Code definition
Official description
O43Placental disorders
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where O43 sits
- 1
Chapter 15
Pregnancy, childbirth and the puerperium (O00-O9A)
- 2
Section
Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
- 3
Category O43
Placental disorders
- 4
Code O43
Placental disorders
More specific choices
Codes under O43
O43 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for O43.
Code first
No “code first” instruction is listed for O43.
Use additional code
No “use additional code” instruction is listed for O43.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for O43.
Excludes2
Conditions not included here that may be reported separately when present.
- 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.-)
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code O43 mean?
O43 is the April 2026 U.S. ICD-10-CM code for “Placental disorders.”
Is O43 a billable or specific ICD-10-CM code?
No. O43 has more specific child codes in the April 2026 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is O43 located in ICD-10-CM?
O43 is listed in Chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A), within Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) (O30–O48), under category O43, Placental disorders.
What coding notes are listed for O43?
No inclusion terms are listed for O43 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: 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.-).
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