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C96.2

Non-billable

Malignant mast cell neoplasm

C96.2 is the ICD-10-CM code for Malignant mast cell neoplasm. It is a non-billable category code — use a more specific child code such as C96.20 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
C96
Subcodes
4
Edition
FY2026

C00-D49 Neoplasms

Excludes1 — not coded here

  • •indolent mastocytosis (D47.02)
  • •mast cell leukemia (C94.30)
  • •mastocytosis (congenital) (cutaneous) (Q82.2)

Frequently asked questions

What is ICD-10 code C96.2?
C96.2 is the ICD-10-CM code for "Malignant mast cell neoplasm". It falls under C00-D49 Neoplasms.
Is C96.2 a billable code?
No — C96.2 is a non-billable header code. Use a more specific child code (such as C96.20) for billing.
What are the subcodes of C96.2?
C96.2 has 4 more specific child codes, including C96.20, C96.21, C96.22.
What is excluded from C96.2?
Excludes1 (not coded here): indolent mastocytosis (D47.02); mast cell leukemia (C94.30); mastocytosis (congenital) (cutaneous) (Q82.2).

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

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