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C44.2 vs Z85.828

C44.2 (Other and unspecified malignant neoplasm of skin of ear and external auricular canal) compared with Z85.828 (Personal history of other malignant neoplasm of skin), from the official CMS tabular data. Z85.828 is the personal-history/screening code for the active disease C44.2 names.

Relationship

Review

Condition lifecycle relationship

Z85.828
Personal history of other malignant neoplasm of skin
↔
C44.2
Other and unspecified malignant neoplasm of skin of ear and external auricular canal

Personal-history or screening code versus the active disease.

Active disease for this site (skin)

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. Z85.828 is the personal-history or screening code for the active disease C44.2 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

C44.2Other and unspecified malignant neoplasm of skin of ear and external auricular canalZ85.828Personal history of other malignant neoplasm of skin
Billing statusNon-billable header

Report instead: C44.201, C44.202, C44.209, C44.211, C44.212

Billable
ClassificationC00-D49 — Neoplasms (C00-D49)Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99)
DefinitionOther and unspecified malignant neoplasm of skin of ear and external auricular canal is a non-billable ICD-10-CM category code (C44.2).Personal history of other malignant neoplasm of skin is a billable ICD-10-CM diagnosis code (Z85.828).
Includes
malignant neoplasm of sebaceous glands
malignant neoplasm of sweat glands
Conditions classifiable to C44
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