O20.0

O20.0: Threatened abortion

Billable / specific codeICD-10-CM

O20.0 is a billable, specific ICD-10-CM code for threatened abortion. It is valid for submission on a claim.

Check O20.0 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Hemorrhage specified as due to threatened abortion

Excludes1 inherited from the categories above O20.0

A category’s note binds every code beneath it.

Written on O20: Hemorrhage in early pregnancy

pregnancy with abortive outcome (O00-O08)

Other codes that can never be billed with O20.0

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

O46Antepartum hemorrhage, not elsewhere classified

Risk adjustment

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

Medicare coverage

O20.0 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57189Billing and Coding: Serum Magnesium

Alphabetic index entries that lead here

Abortion›threatened(spontaneous)
Threatened›abortion
Threatened›miscarriage
Abortion›spontaneous›threatened
Hemorrhage, hemorrhagic›antepartum›before 20 weeks gestation›threatened abortion
Pregnancy›complicated by›hemorrhage›threatened abortion
Pregnancy›complicated by›threatened›abortion

Code history

Unchanged in every release from FY2024 to FY2027.