D48.5
ICD-10BillableNeoplasm of uncertain behavior of skin
Official ICD-10-CM descriptor (FY2026)
Neoplasm of uncertain behavior of skin
D48.5 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Neoplasm of uncertain behavior of anal margin
- Neoplasm of uncertain behavior of anal skin
- Neoplasm of uncertain behavior of perianal skin
- Neoplasm of uncertain behavior of skin of breast
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- neoplasm of uncertain behavior of anus NOS (D37.8)
- neoplasm of uncertain behavior of skin of genital organs (D39.8, D40.8)
- neoplasm of uncertain behavior of vermilion border of lip (D37.0)
Related codes in D48
- D48.0Neoplasm of uncertain behavior of bone/artic cartl
- D48.1Neoplasm of uncertain behavior of connctv/soft tisscategory
- D48.2Neoplm of uncrt behav of prph nerves and autonm nervous sys
- D48.3Neoplasm of uncertain behavior of retroperitoneum
- D48.4Neoplasm of uncertain behavior of peritoneum
- D48.6Neoplasm of uncertain behavior of breastcategory
- D48.7Neoplasm of uncertain behavior of other specified sites
- D48.9Neoplasm of uncertain behavior, unspecified
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
- Parent code
- D48
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.