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The Multiple Primaries Calculator was designed to be used with the coding manual. Follow the rules and workflow in the manual prior to using the calculator. Use the Multiple Primaries Calculator when the rules instruct you to do so. If you are working with cases diagnosed before 2010 use the ICD-O-3 Hematopoietic Primaries Table (PDF) instead. This calculator should only be used for cases where at least one of the diagnoses is from 2010 or forward.

226 neoplasms
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ICD-O-3 Morphology ▲ Name
9714/3 ALK-positive anaplastic large cell lymphoma (ALCL) (ICD-O-4: 97140/3)
9737/3 ALK-positive large B-cell lymphoma (ALK+ LBCL) (ICD-O-4: 97370/3)
9870/3 Acute basophilic leukemia (ICD-O-4: 98700/3)
9805/3 Acute biphenotypic leukemia (see 9801/3 for 2010-2025) (ICD-O-4: 98050/3)
9840/3 Acute erythroid leukemia (AEL) (ICD-O-4: 98400/3)
9801/3 Acute leukemia, NOS (ICD-O-4: 98010/3)
9910/3 Acute megakaryoblastic leukemia (AMKL) (ICD-O-4: 99100/3)
9891/3 Acute monocytic leukemia (ICD-O-4: 98910/3)
9861/3 Acute myeloid leukemia (AML), NOS (ICD-O-4: 98610/3)
9912/3 Acute myeloid leukemia with BCR::ABL1 fusion (ICD-O-4: 99120/3)
9871/3 Acute myeloid leukemia with CBFB::MYH11 fusion (ICD-O-4: 98710/3)
9878/3 Acute myeloid leukemia with CEBPA mutation (see 9861/3 prior to 2021) (ICD-O-4: 98780/3)
9865/3 Acute myeloid leukemia with DEK::NUP214 fusion (ICD-O-4: 98650/3)
9897/3 Acute myeloid leukemia with KMT2a rearrangement (ICD-O-4: 98970/3)
9869/3 Acute myeloid leukemia with MECOM rearrangement (ICD-O-4: 98690/3)
9877/3 Acute myeloid leukemia with NPM1 mutation (see 9861/3 prior to 2021) (ICD-O-4: 98770/3)
9911/3 Acute myeloid leukemia with RBMI5::MRTFA (see 9910/3 prior to 2010) (ICD-O-4: 99110/3)
9896/3 Acute myeloid leukemia with RUNX1::RUNX1T1 (ICD-O-4: 98960/3)
9874/3 Acute myeloid leukemia with maturation (ICD-O-4: 98740/3)
9872/3 Acute myeloid leukemia with minimal differentiation (ICD-O-4: 98720/3)
9879/3 Acute myeloid leukemia with mutated RUNX1 (see 9861/3 prior to 2021) (ICD-O-4: 98790/3)
9873/3 Acute myeloid leukemia without maturation (ICD-O-4: 98730/3)
9895/3 Acute myeloid leukemia, myelodysplasia-related (AML-MR) (ICD-O-4: 98950/3)
9867/3 Acute myelomonocytic leukemia, NOS (AMML) (ICD-O-4: 98670/3)
9931/3 Acute panmyelosis with myelofibrosis (APMF) (ICD-O-4: 99310/3)
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