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D47.02

Billable

Systemic mastocytosis

D47.02 is the ICD-10-CM code for Systemic mastocytosis. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
C00-D49
Parent
D47.0
Edition
FY2026

C00-D49 Neoplasms

Includes

  • •Indolent systemic mastocytosis
  • •Isolated bone marrow mastocytosis
  • •Smoldering systemic mastocytosis
  • •Systemic mastocytosis, with an associated hematological non-mast cell lineage disease (SM-AHNMD)

Excludes1 — not coded here

  • •aggressive systemic mastocytosis (C96.21)
  • •mast cell leukemia (C94.3-)

Notes

  • •, if applicable, any associated hematological non-mast cell lineage disease, such as:
  • •acute myeloid leukemia (C92.6-, C92.A-)
  • •chronic myelomonocytic leukemia (C93.1-)
  • •essential thrombocytosis (D47.3)
  • •hypereosinophilic syndrome (D72.1)
  • •myelodysplastic syndrome (D46.9)
  • •myeloproliferative syndrome (D47.1)
  • •non-Hodgkin lymphoma (C82-C85)
  • •plasma cell myeloma (C90.0-)
  • •polycythemia vera (D45)

Frequently asked questions

What is ICD-10 code D47.02?
D47.02 is the ICD-10-CM code for "Systemic mastocytosis". It falls under C00-D49 Neoplasms.
Is D47.02 a billable code?
Yes — D47.02 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from D47.02?
Excludes1 (not coded here): aggressive systemic mastocytosis (C96.21); mast cell leukemia (C94.3-).

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

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