P95 vs Z37.1
P95 and Z37.1 can never be reported together. ICD-10-CM declares them mutually exclusive with an Excludes1 note, meaning the two conditions cannot occur in the same patient — so exactly one of them is correct for any given encounter.
P95
Stillbirth
Billable
- Chapter 16
- Certain conditions originating in the perinatal period
- Section
- P90-P96
Use when the record says
- Deadborn fetus NOS
- Fetal death of unspecified cause
- Stillbirth NOS
Indexed under
- Stillbirth
Z37.1
Single stillbirth
Billable
- Chapter 21
- Factors influencing health status and contact with health services
- Section
- Z30-Z39
Indexed under
- Outcome of delivery › single NEC › stillborn
These two codes sit in different chapters of the Tabular List, which is usually the clearest signal that they describe different underlying processes rather than different degrees of the same one.
Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027