D23.9 (Other benign neoplasm of skin, unspecified) compared with Z12.83 (Encounter for screening for malignant neoplasm of skin), from the official CMS tabular data. Z12.83 is the personal-history/screening code for the active disease D23.9 names.
Personal-history or screening code versus the active disease.
Benign neoplasm of 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)
History or screening versus active disease. Z12.83 is the personal-history or screening code for the active disease D23.9 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.
| D23.9Other benign neoplasm of skin, unspecified | Z12.83Encounter for screening for malignant neoplasm of skin | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Other benign neoplasm of skin, unspecified is a billable ICD-10-CM diagnosis code (D23.9). | Encounter for screening for malignant neoplasm of skin is a billable ICD-10-CM diagnosis code (Z12.83). |
| Includes | benign neoplasm of hair follicles benign neoplasm of sebaceous glands benign neoplasm of sweat glands | — |
| Use additional code | — | code to identify any family history of malignant neoplasm (Z80.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources