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D48.6

⚠ Non-billable (Header)

Neoplasm of uncertain behavior of breast

Neoplasms (C00-D49)

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

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Also Known As

Neoplasm of uncertain behavior of connective tissue of breastCystosarcoma phyllodes

❌ Excludes1

direct

Cannot be coded with D48.6

  • • neoplasm of uncertain behavior of skin of breast (D48.5)

❌ Excludes1

inherited from D48

Rules from parent category D48: Neoplasm of uncertain behavior of other and unspecified sites

  • • neurofibromatosis (nonmalignant) (Q85.0-)

Child Codes (3)

D48.60Neoplasm of uncertain behavior of unspecified breastD48.61Neoplasm of uncertain behavior of right breastD48.62Neoplasm of uncertain behavior of left breast

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Code Information

CodeD48.6
BillableNo — Header code
ParentD48
CategoryNeoplasms (C00-D49)
Excludes12 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)