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D49.8

⚠ Non-billable (Header)

Neoplasm of unspecified behavior of other specified sites

Neoplasms (C00-D49)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

direct

Cannot be coded with D49.8

  • • 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 D49

Rules from parent category D49: Neoplasms of unspecified behavior

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

Child Codes (2)

D49.81Neoplasm of unspecified behavior of retina and choroidD49.89Neoplasm of unspecified behavior of other specified sites

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Code Information

CodeD49.8
BillableNo — Header code
ParentD49
CategoryNeoplasms (C00-D49)
Excludes14 rule(s)
Excludes21 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)