O43.1 Malformation of placenta

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Malformation of placenta is O43.1 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
O30-O48: Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
Category O43
65 codes (48 billable)
FY2026 Status
Stable since FY2024

References

Related Codes

Parent Code

O43 Placental disorders

More Specific Codes

O43.10 Malformation of placenta, unspecified O43.101 Malformation of placenta, unspecified, first trimester O43.102 Malformation of placenta, unspecified, second trimester O43.103 Malformation of placenta, unspecified, third trimester O43.109 Malformation of placenta, unspecified, unspecified trimester O43.11 Circumvallate placenta O43.111 Circumvallate placenta, first trimester O43.112 Circumvallate placenta, second trimester O43.113 Circumvallate placenta, third trimester O43.119 Circumvallate placenta, unspecified trimester O43.12 Velamentous insertion of umbilical cord O43.121 Velamentous insertion of umbilical cord, first trimester O43.122 Velamentous insertion of umbilical cord, second trimester O43.123 Velamentous insertion of umbilical cord, third trimester O43.129 Velamentous insertion of umbilical cord, unspecified trimester O43.19 Other malformation of placenta O43.191 Other malformation of placenta, first trimester O43.192 Other malformation of placenta, second trimester O43.193 Other malformation of placenta, third trimester O43.199 Other malformation of placenta, unspecified trimester

Related Codes in O43

O43 Placental disorders O43.0 Placental transfusion syndromes O43.01 Fetomaternal placental transfusion syndrome O43.011 Fetomaternal placental transfusion syndrome, first trimester O43.012 Fetomaternal placental transfusion syndrome, second trimester O43.013 Fetomaternal placental transfusion syndrome, third trimester O43.019 Fetomaternal placental transfusion syndrome, unspecified trimester O43.02 Fetus-to-fetus placental transfusion syndrome O43.021 Fetus-to-fetus placental transfusion syndrome, first trimester O43.022 Fetus-to-fetus placental transfusion syndrome, second trimester O43.023 Fetus-to-fetus placental transfusion syndrome, third trimester O43.029 Fetus-to-fetus placental transfusion syndrome, unspecified trimester O43.10 Malformation of placenta, unspecified O43.101 Malformation of placenta, unspecified, first trimester O43.102 Malformation of placenta, unspecified, second trimester O43.103 Malformation of placenta, unspecified, third trimester O43.109 Malformation of placenta, unspecified, unspecified trimester O43.11 Circumvallate placenta O43.111 Circumvallate placenta, first trimester O43.112 Circumvallate placenta, second trimester
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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