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O43.101

O43.101: Malformation of placenta, unspecified, first trimester

Billable / specific codeICD-10-CM

O43.101 is a billable, specific ICD-10-CM code for malformation of placenta, unspecified, first trimester. It is valid for submission on a claim.

Check O43.101 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above O43.101

Not part of this code, but both may be coded when both are present.

Written on O43: Placental disorders

  • 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.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under O43.10

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.