O02.1
Billable codeMissed abortion
The ICD-10 code for missed abortion is O02.1.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- failed induced abortion (O07.-)
- fetal death (intrauterine) (late) (O36.4)
- missed abortion with blighted ovum (O02.0)
- missed abortion with hydatidiform mole (O01.-)
- missed abortion with nonhydatidiform (O02.0)
- missed abortion with other abnormal products of conception (O02.8-)
- missed delivery (O36.4)
- stillbirth (P95)
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Early fetal death, before completion of 20 weeks of gestation, with retention of dead fetus
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 632
Associated MS-DRGs
O02.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.