O43.111 ICD-10 Code: Circumvallate placenta, first t… (2026)

O43.111 is the authoritative medical code for Circumvallate placenta, first trimester. This classification is used in medical billing and clinical recording to specify the clinical criteria for circumvallate placenta, first trimester (ICD-10-CM O43.111), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Circumvallate placenta, first trimester is a billable ICD-10-CM diagnosis code O43.111. Excludes2 (not included here): 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.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for O43.111 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are 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

Frequently Asked Questions (FAQ) & Clinical Guidance

Can O43.111 be reported alongside related conditions?

Per Excludes2 instructions, O43.111 and the following may both be reported when both are present: maternal care for poor fetal growth due to placental insufficiency (O36.5-); placenta previa (O44.-); placental polyp (O90.89); placentitis (O41.14-).

Codes in This Family (40)

Official ICD-10-CM classifications in the same code family as O43.111, with their registry titles.

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
O43.1 — Malformation of placenta
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
O43.112 — 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
O43.2 — Morbidly adherent placenta
O43.21 — Placenta accreta
O43.211 — Placenta accreta, first trimester
O43.212 — Placenta accreta, second trimester
O43.213 — Placenta accreta, third trimester
O43.219 — Placenta accreta, unspecified trimester
O43.22 — Placenta increta
O43.221 — Placenta increta, first trimester

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code O38.111 ICD-10 Clinical Diagnosis (O38.111)

ICD Code O39.111 ICD-10 Clinical Diagnosis (O39.111)

ICD Code O40.111 ICD-10 Clinical Diagnosis (O40.111)

ICD Code O41.111 ICD-10 Clinical Diagnosis (O41.111)

ICD Code O42.111 Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, first trimester

ICD Code O44.111 ICD-10 Clinical Diagnosis (O44.111)

ICD Code O45.111 ICD-10 Clinical Diagnosis (O45.111)

ICD Code O46.111 ICD-10 Clinical Diagnosis (O46.111)

ICD Code O47.111 ICD-10 Clinical Diagnosis (O47.111)

ICD Code O48.111 ICD-10 Clinical Diagnosis (O48.111)