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O31.20 vs O43.0

O31.20 (Continuing pregnancy after intrauterine death of one fetus or more, unspecified trimester) compared with O43.0 (Placental transfusion syndromes), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. O31.20 carries an Excludes2 note covering O43.0: “placental transfusion syndromes (O43.0-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

O31.20Continuing pregnancy after intrauterine death of one fetus or more, unspecified trimesterO43.0Placental transfusion syndromes
Billing statusNon-billable headerNon-billable header
ClassificationO00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A)O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A)
DefinitionContinuing pregnancy after intrauterine death of one fetus or more, unspecified trimester is a non-billable ICD-10-CM category code (O31.20).Placental transfusion syndromes is a non-billable ICD-10-CM category code (O43.0).
7th characterOne of the following 7th characters is to be assigned to each code under category O31. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O31 that has a 7th character of 1 through 9.

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources