C94.3

Clinical Information

• A form of systemic mastocytosis mastocytosis, systemic) characterized by the presence of large numbers of tissue mast cells in the peripheral blood without skin lesions. It is a high-grade leukemia disease with bone marrow smear of >20% mast cells, multi-organ failure and a short survival.

• A variant of systemic mastocytosis with involvement of the bone marrow 20% or more mast cells) and the peripheral blood mast cells account for 10% or more of peripheral blood white cells). who, 2001)

Details

• C94.3 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.

• The 2023 edition of ICD-10-CM C94.3 became effective on October 1, 2022.

• This is the American ICD-10-CM version of C94.3 – other international versions of ICD-10 C94.3 may differ.