10ICD Code Hub

D48.5

Billable code

Neoplasm of uncertain behavior of skin

The ICD-10 code for neoplasm of uncertain behavior of skin is D48.5.

Clinical notes

Excludes1 (not coded here)

An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).

  • 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)

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • 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

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

D48.5 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.