MCMedicalCodingSoftware
D49.8

D49.8: Neoplasm of unspecified behavior of other specified sites

Non-billable headerICD-10-CM

D49.8 is a non-billable header ICD-10-CM code for neoplasm of unspecified behavior of other specified sites. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • neoplasm of unspecified behavior of eyelid (skin) (D49.2)
  • neoplasm of unspecified behavior of eyelid cartilage (D49.2)
  • neoplasm of unspecified behavior of great vessels (D49.2)
  • neoplasm of unspecified behavior of optic nerve (D49.7)

Excludes2 inherited from the categories above D49.8

Not part of this code, but both may be coded when both are present.

Written on D49: Neoplasms of unspecified behavior

  • neoplasms of uncertain behavior (D37-D44, D48)

Other codes that can never be billed with D49.8

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • D49.2Neoplasm of unspecified behavior of bone, soft tissue, and skin
  • C69.2Malignant neoplasm of retina
  • D31.2Benign neoplasm of retina

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead D49.8

2 child codes. Green means billable.

Other codes under D49

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.