Histology--Heme & Lymphoid Neoplasms: What is the correct histology code for a diagnosis of mature B cell leukemia/lymphoma diagnosed only on a peripheral blood smear?
Histology--Heme & Lymphoid Neoplasms: Should the histology be coded to a therapy-related myeloid neoplasm when the physician states the diagnosis of acute myeloid leukemia is secondary to treatment with Imuran? See Discussion.
Histology--Heme & Lymphoid Neoplasms: Should the higher histology code associated with grade 1 follicular lymphoma [9695/3] be used rather than grade 2 follicular lymphoma [9691/3] in cases of follicular lymphoma grade 1-2?
Histology--Heme & Lymphoid Neoplasms: Should all cases of precursor B acute lymphoblastic leukemia diagnosed 1/1/10 and later with histology coded to 9836/3 have the values changed to 9811/3 per the Heme DB Abstractor Notes section or should they remain coded 9836/3.
Histology--Heme & Lymphoid Neoplasms: Is histology coded to AML, NOS [9861/3] for a bone marrow biopsy with a diagnosis of acute myeloid leukemia evolving from myelodysplastic syndrome (MDS) if the cytogenetics revealed trisomy 13? See Discussion.
Histology--Heme & Lymphoid Neoplasms: Is histology coded to 9684/3 [malignant lymphoma, diffuse large B-cell, immunoblastic NOS] for a biopsy that reveals "diffuse large B-cell lymphoma, immunoblastic variant"?
Histology--Heme & Lymphoid Neoplasms: How is this field coded when the final diagnosis for excisional biopsy of two cervical lymph nodes shows classical Hodgkin lymphoma, histologic subtype cannot be determined, but the COMMENT section of the report indicates there are features of both lymphocyte rich and nodular sclerosis subtypes?