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C30.0 vs Z85.81

C30.0 (Malignant neoplasm of nasal cavity) compared with Z85.81 (Personal history of malignant neoplasm of lip, oral cavity, and pharynx), from the official CMS tabular data. Z85.81 is the personal-history/screening code for the active disease C30.0 names.

Relationship

Review

Condition lifecycle relationship

Z85.81
Personal history of malignant neoplasm of lip, oral cavity, and pharynx
↔
C30.0
Malignant neoplasm of nasal cavity

Personal-history or screening code versus the active disease.

Active disease for this site (cavity)

A personal-history code describes a condition that no longer exists and is no longer being treated, so it is not interchangeable with the active-disease code for the same site.

Source: CMS Table of Neoplasms (site match derived from the code title)

Can these codes be reported together?

History or screening versus active disease. Z85.81 is the personal-history or screening code for the active disease C30.0 names.

Site match derived from the code’s own title against the CMS Table of Neoplasms. A personal-history code describes a condition that no longer exists and is no longer being treated, so it is not interchangeable with the active-disease code.

Side by side

C30.0Malignant neoplasm of nasal cavityZ85.81Personal history of malignant neoplasm of lip, oral cavity, and pharynx
Billing statusBillableNon-billable header

Report instead: Z85.810, Z85.818, Z85.819

ClassificationC00-D49 — Neoplasms (C00-D49)Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99)
DefinitionMalignant neoplasm of nasal cavity is a billable ICD-10-CM diagnosis code (C30.0).Personal history of malignant neoplasm of lip, oral cavity, and pharynx is a non-billable ICD-10-CM category code (Z85.81).
Includes
malignant neoplasm of middle ear
Malignant neoplasm of cartilage of nose
Malignant neoplasm of nasal concha
Malignant neoplasm of internal nose
Conditions classifiable to C00-C14
Use additional code—
code to identify:
alcohol use and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
Code first—
any follow-up examination after treatment of malignant neoplasm (Z08)
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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