ICD-10/O03.4

O03.4 ICD 2026 Code: Incomplete spontaneous abortion without complication

O03.4 is the authoritative medical code for Incomplete spontaneous abortion without complication. This classification is used in medical billing and clinical recording to specify the clinical criteria for incomplete spontaneous abortion without complication (ICD-10-CM O03.4), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Incomplete spontaneous abortion without complication is a billable ICD-10-CM diagnosis code O03.4. Includes: miscarriage. Excludes1 (not coded here): continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for O03.4 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • miscarriage

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with O03.4?

Per Excludes1 instructions, O03.4 must not be reported with: continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-).

Codes in This Family (30)

Official ICD-10-CM classifications in the same code family as O03.4, with their registry titles.

  • O03 — Spontaneous abortion
  • 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
  • O03.30 — Unspecified complication following incomplete spontaneous abortion
  • O03.31 — Shock following incomplete spontaneous abortion
  • O03.32 — Renal failure following incomplete spontaneous abortion
  • O03.33 — Metabolic disorder following incomplete spontaneous abortion
  • O03.34 — Damage to pelvic organs following incomplete spontaneous abortion
  • O03.35 — Other venous complications following incomplete spontaneous abortion
  • O03.36 — Cardiac arrest following incomplete spontaneous abortion
  • O03.37 — Sepsis following incomplete spontaneous abortion
  • O03.38 — Urinary tract infection following incomplete spontaneous abortion
  • O03.39 — Incomplete spontaneous abortion with other complications
  • 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
  • O03.80 — Unspecified complication following complete or unspecified spontaneous abortion
  • O03.81 — Shock following complete or unspecified spontaneous abortion
  • O03.82 — Renal failure following complete or unspecified spontaneous abortion
  • O03.83 — Metabolic disorder following complete or unspecified spontaneous abortion
  • O03.84 — Damage to pelvic organs following complete or unspecified spontaneous abortion
  • O03.85 — Other venous complications following complete or unspecified spontaneous abortion
  • O03.86 — Cardiac arrest following complete or unspecified spontaneous abortion
  • O03.87 — Sepsis following complete or unspecified spontaneous abortion
  • O03.88 — Urinary tract infection following complete or unspecified spontaneous abortion
  • O03.89 — Complete or unspecified spontaneous abortion with other complications
  • O03.9 — Complete or unspecified spontaneous abortion without complication

Indexed Clinical Terms (2)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Abortion (complete) (spontaneous), incomplete (spontaneous)
  • Abortion (complete) (spontaneous), inevitable

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code O07.4 Failed attempted termination of pregnancy without complication
ICD Code O08.4 Renal failure following ectopic and molar pregnancy
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