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D47.0

⚠ Non-billable (Header)

Mast cell neoplasms of uncertain behavior

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 D47.0

  • • congenital cutaneous mastocytosis (Q82.2)
  • • histiocytic neoplasms of uncertain behavior (D47.Z9)
  • • malignant mast cell neoplasm (C96.2-)

Child Codes (3)

D47.01Cutaneous mastocytosisD47.02Systemic mastocytosisD47.09Other mast cell neoplasms of uncertain behavior

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Code Information

CodeD47.0
BillableNo — Header code
ParentD47
CategoryNeoplasms (C00-D49)
Excludes13 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)