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D47.0

Non-billable

Mast cell neoplasms of uncertain behavior

D47.0 is the ICD-10-CM code for Mast cell neoplasms of uncertain behavior. It is a non-billable category code — use a more specific child code such as D47.01 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
D47
Subcodes
3
Edition
FY2026

C00-D49 Neoplasms

Excludes1 — not coded here

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

Frequently asked questions

What is ICD-10 code D47.0?
D47.0 is the ICD-10-CM code for "Mast cell neoplasms of uncertain behavior". It falls under C00-D49 Neoplasms.
Is D47.0 a billable code?
No — D47.0 is a non-billable header code. Use a more specific child code (such as D47.01) for billing.
What are the subcodes of D47.0?
D47.0 has 3 more specific child codes, including D47.01, D47.02, D47.09.
What is excluded from D47.0?
Excludes1 (not coded here): congenital cutaneous mastocytosis (Q82.2); histiocytic neoplasms of uncertain behavior (D47.Z9); malignant mast cell neoplasm (C96.2-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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