Other and unspecified malignant neoplasms of lymphoid and histiocytic tissue
2015
Non-Billable Code
There are 9 ICD-9-CM codes below 202.9 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
A neoplastic proliferation of langerhans cells with overtly malignant cytologic features. It can be considered a higher grade variant of langerhans cell histiocytosis (lch) and it can present de novo or progress from antecedent lch. (who, 2001)
Malignant neoplasms that either originate from the bone marrow (e.g. Myeloid leukemias) or involve the bone marrow as secondary-metastatic tumors (e.g. Metastatic carcinomas to the bone marrow)