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O46.001

O46.001: Antepartum hemorrhage with coagulation defect, unspecified, first trimester

Billable / specific codeICD-10-CM

O46.001 is a billable, specific ICD-10-CM code for antepartum hemorrhage with coagulation defect, unspecified, first trimester. It is valid for submission on a claim.

Check O46.001 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above O46.001

A category’s note binds every code beneath it.

Written on O46: Antepartum hemorrhage, not elsewhere classified

  • hemorrhage in early pregnancy (O20.-)
  • intrapartum hemorrhage NEC (O67.-)
  • placenta previa (O44.-)
  • premature separation of placenta [abruptio placentae] (O45.-)

Other codes that can never be billed with O46.001

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • O67Labor and delivery complicated by intrapartum hemorrhage, not elsewhere classified

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 O46.00

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.