U.S. ICD-10-CM · FY 2027

O03 ICD-10-CM Code: Spontaneous abortion

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

Code definition

Official description

O03

Spontaneous abortion

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

Classification

Where O03 sits

  1. 1

    Chapter 15

    Pregnancy, childbirth and the puerperium (O00-O9A)

  2. 2

    Section

    Pregnancy with abortive outcome (O00-O08)

  3. 3

    Category O03

    Spontaneous abortion

  4. 4

    Code O03

    Spontaneous abortion

More specific choices

Codes under O03

O03 is a non-billable category. Choose the child code that best matches the documented diagnosis.

O03.0

Genital tract and pelvic infection following incomplete spontaneous abortion

O03.1

Delayed or excessive hemorrhage following incomplete spontaneous abortion

O03.2

Embolism following incomplete spontaneous abortion

O03.3

Other and unspecified complications following incomplete spontaneous abortion

O03.4

Incomplete spontaneous abortion without complication

O03.5

Genital tract and pelvic infection following complete or unspecified spontaneous abortion

O03.6

Delayed or excessive hemorrhage following complete or unspecified spontaneous abortion

O03.7

Embolism following complete or unspecified spontaneous abortion

O03.8

Other and unspecified complications following complete or unspecified spontaneous abortion

O03.9

Complete or unspecified spontaneous abortion without complication

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for O03.

Code first

No “code first” instruction is listed for O03.

Use additional code

No “use additional code” instruction is listed for O03.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for O03.

Excludes2

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

No Excludes2 note is listed for O03.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

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 O03 mean?

O03 is the FY 2027 U.S. ICD-10-CM code for “Spontaneous abortion.”

Is O03 a billable or specific ICD-10-CM code?

No. O03 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 O03 located in ICD-10-CM?

O03 is listed in Chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A), within Pregnancy with abortive outcome (O00-O08) (O00–O08), under category O03, Spontaneous abortion.

What coding notes are listed for O03?

No inclusion terms are listed for O03 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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