U.S. ICD-10-CM · FY 2027

O20 ICD-10-CM Code: Hemorrhage in early pregnancy

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

O20

Hemorrhage in early pregnancy

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where O20 sits

  1. 1

    Chapter 15

    Pregnancy, childbirth and the puerperium (O00-O9A)

  2. 2

    Section

    Other maternal disorders predominantly related to pregnancy (O20-O29)

  3. 3

    Category O20

    Hemorrhage in early pregnancy

  4. 4

    Code O20

    Hemorrhage in early pregnancy

More specific choices

Codes under O20

O20 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for O20.

Code first

No “code first” instruction is listed for O20.

Use additional code

No “use additional code” instruction is listed for O20.

Excludes1

Conditions that should not be reported together with this code.

  • pregnancy with abortive outcome (O00-O08)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for O20.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code O20 mean?

O20 is the FY 2027 U.S. ICD-10-CM code for “Hemorrhage in early pregnancy.”

Is O20 a billable or specific ICD-10-CM code?

No. O20 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is O20 located in ICD-10-CM?

O20 is listed in Chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A), within Other maternal disorders predominantly related to pregnancy (O20-O29) (O20–O29), under category O20, Hemorrhage in early pregnancy.

What coding notes are listed for O20?

No inclusion terms are listed for O20 in this reference record. No code-first instruction is listed. Excludes1 notes: pregnancy with abortive outcome (O00-O08). No Excludes2 note is listed.

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