C94.3 Mast cell leukemia

Non-billable header with 3 child codes.

Applies from C94 Other leukemias of specified cell type

Excludes1 (never code together)

• leukemic reticuloendotheliosis (C91.4-)
• myelodysplastic syndromes (D46.-)
• personal history of leukemia (Z85.6)
• plasma cell leukemia (C90.1-)

Codes under C94.3

• C94.30 Mast cell leukemia not having achieved remission
• C94.31 Mast cell leukemia, in remission
• C94.32 Mast cell leukemia, in relapse

Code annotations containing back-references to C94.3

Back-references to C94.3

• Type 1 Excludes: D47.02 Systemic mastocytosis ("mast cell leukemia (C94.3-)")
• Type 1 Excludes: D89.4 Mast cell activation syndrome and related disorders ("mast cell leukemia (C94.3-)")

Back-references to C94

• Type 1 Excludes: C76 Malignant neoplasm of other and ill-defined sites ("malignant neoplasm of lymphoid, hematopoietic and related tissue (C81-C96)")
• Type 1 Excludes: D72.8 Other specified disorders of white blood cells ("leukemia (C91-C95)")
• Type 1 Excludes: D72.825 Bandemia ("leukemia (C91.-, C92.-, C93.-, C94.-, C95.-)")
• Code First: M36.1 Arthropathy in neoplastic disease ("leukemia (C91-C95)")
• Code First: N16 Renal tubulo-interstitial disorders in diseases classified elsewhere ("leukemia (C91-C95)")
• Code First: R50.81 Fever presenting with conditions classified elsewhere ("leukemia (C91-C95)")
• Type 1 Excludes: T66 Radiation sickness, unspecified ("leukemia (C91-C95)")
• Code First: Z15.0 Genetic susceptibility to malignant neoplasm (", if applicable, any current malignant neoplasm (C00-C75, C81-C96)")

Diagnosis Index entries for C94.3

• Leukemia, leukemic › mast cell
• Mast cell › leukemia

Nearby codes

• C94.02 Acute erythroid leukemia, in relapse
• C94.2 Acute megakaryoblastic leukemia
• C94.20 Acute megakaryoblastic leukemia not having achieved remission
• C94.21 Acute megakaryoblastic leukemia, in remission
• C94.22 Acute megakaryoblastic leukemia, in relapse
• C94.3 Mast cell leukemia (this code)
• C94.30 Mast cell leukemia not having achieved remission
• C94.31 Mast cell leukemia, in remission
• C94.32 Mast cell leukemia, in relapse
• C94.4 Acute panmyelosis with myelofibrosis
• C94.40 Acute panmyelosis with myelofibrosis not having achieved remission