There are 3 ICD-9-CM codes below 205.8 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
A disorder in which the bone marrow is replaced by fibrous tissue
A partial or complete replacement of the bone marrow stroma by fibrous tissue. It can be a primary bone marrow lesion as part of the chronic myeloproliferative disorders (chronic idiopathic myelofibrosis), a manifestation of acute myeloid leukemia (acute panmyelosis with myelofibrosis), or a secondary phenomenon due to bone marrow involvement by a metastatic tumor (e.g., metastatic breast carcinoma)
Replacement of the bone marrow by fibrous tissue, occurring in association with a myeloproliferative disorder or secondary to another unrelated condition