D47.4

Osteomyelofibrosis

Billable / specificHCC V28 19

D47.4 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Chronic idiopathic myelofibrosis
  • Myelofibrosis (idiopathic) (with myeloid metaplasia)
  • Myelosclerosis (megakaryocytic) with myeloid metaplasia
  • Secondary myelofibrosis in myeloproliferative disease

Includes (from D47)

  • Note: Functional activity
  • Note: All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
  • Note: Morphology [Histology]
  • Note: Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
  • Note: Primary malignant neoplasms overlapping site boundaries
  • Note: A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
  • Note: Malignant neoplasm of ectopic tissue
  • Note: Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
  • Note: Categories D37-D44, and D48 classify by site neoplasms of uncertain behavior, i.e., histologic confirmation whether the neoplasm is malignant or benign cannot be made.

Excludes1

Not coded here — never report together with this code.

  • acute myelofibrosis (C94.4-)
  • neoplasms of unspecified behavior (D49.-) (from D47)

Also known as

  • Chronic idiopathic myelofibrosis
  • Myelofibrosis (idiopathic) (with myeloid metaplasia)
  • Myelosclerosis (megakaryocytic) with myeloid metaplasia
  • Secondary myelofibrosis in myeloproliferative disease
  • Myelofibrosis, with myeloid metaplasia
  • Myelofibrosis, idiopathic
  • Myelofibrosis, secondary, in myeloproliferative disease
  • Myelosclerosis, with myeloid metaplasia
  • Myelosclerosis, megakaryocytic
  • Myelosclerosis, megakaryocytic, with myeloid metaplasia

Parent code

  • D47Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissueHeader

Related codes

  • D47.0Mast cell neoplasms of uncertain behaviorHeader
  • D47.1Chronic myeloproliferative diseaseBillable
  • D47.2Monoclonal gammopathyBillable
  • D47.3Essential (hemorrhagic) thrombocythemiaBillable
  • D47.ZOther specified neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissueHeader
  • D47.9Neoplasm of uncertain behavior of lymphoid, hematopoietic and related tissue, unspecifiedBillable

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