Is O20.0 a billable ICD-10 code?

Yes. O20.0 (Threatened abortion) is billable and can be used for insurance claims. Always verify payer-specific requirements.

O20.0 ✓ Billable

Threatened abortion

Q: What is ICD-10 code O20.0?

ICD-10-CM code O20.0 stands for "Threatened abortion". It is a billable code in the Pregnancy, Childbirth and the Puerperium chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium

Code

O20.0

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Pregnancy, Childbirth and the Puerperium

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code O20.0?

ICD-10-CM code O20.0 represents Threatened abortion. It is a billable diagnosis code in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.

Is O20.0 billable?

Yes. O20.0 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is O20.0 in?

O20.0 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.

Related codes in the O20 category

O20 Hemorrhage in early pregnancy Non-billable O20.8 Other hemorrhage in early pregnancy Billable O20.9 Hemorrhage in early pregnancy, unspecified Billable

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