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C44.0 vs Z85.819

C44.0 (Other and unspecified malignant neoplasm of skin of lip) compared with Z85.819 (Personal history of malignant neoplasm of unspecified site of lip, oral cavity, and pharynx), from the official CMS tabular data. Z85.819 is the personal-history/screening code for the active disease C44.0 names.

Relationship

Review

Condition lifecycle relationship

Z85.819
Personal history of malignant neoplasm of unspecified site of lip, oral cavity, and pharynx
↔
C44.0
Other and unspecified malignant neoplasm of skin of lip

Personal-history or screening code versus the active disease.

Active disease for this site (lip)

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. Z85.819 is the personal-history or screening code for the active disease C44.0 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

C44.0Other and unspecified malignant neoplasm of skin of lipZ85.819Personal history of malignant neoplasm of unspecified site of lip, oral cavity, and pharynx
Billing statusNon-billable header

Report instead: C44.00, C44.01, C44.02, C44.09

Billable
ClassificationC00-D49 — NeoplasmsZ00-Z99 — Factors influencing health status and contact with health services
DefinitionOther and unspecified malignant neoplasm of skin of lip is a non-billable ICD-10-CM category code (C44.0).Personal history of malignant neoplasm of unspecified site of lip, oral cavity, and pharynx is a billable ICD-10-CM diagnosis code (Z85.819).
Includes
malignant neoplasm of sebaceous glands
malignant neoplasm of sweat glands
—
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