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Z78 vs Z93

Z78 (Other specified health status) compared with Z93 (Artificial opening status), 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. Z78 carries an Excludes2 note covering Z93: “postprocedural status (Z93-Z99)”

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

Side by side

Z78Other specified health statusZ93Artificial opening status
Billing statusNon-billable header

Report instead: Z78.0, Z78.1, Z78.9

Non-billable header

Report instead: Z93.0, Z93.1, Z93.2, Z93.3, Z93.4

ClassificationZ00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99)Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99)
DefinitionOther specified health status is a non-billable ICD-10-CM category code (Z78).Artificial opening status is a non-billable ICD-10-CM category code (Z93).
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources