O43.029
✓ BillableFetus-to-fetus placental transfusion syndrome, unspecified trimester
Pregnancy, childbirth and the puerperium (O00-O9A)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • 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.-)
Clinical Description
ICD-10-CM code O43.029 represents fetus-to-fetus placental transfusion syndrome, unspecified trimester. This code falls under the Pregnancy, childbirth and the puerperium (O00-O9A) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code O43.029?
ICD-10-CM code O43.029 is "Fetus-to-fetus placental transfusion syndrome, unspecified trimester". It belongs to the category: Pregnancy, childbirth and the puerperium (O00-O9A).
Is O43.029 a billable ICD-10 code?
Yes, O43.029 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can O43.029 be coded with other codes?
O43.029 has 5 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in O43.02
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)