D47.4
ICD-10BillableOsteomyelofibrosis
Official ICD-10-CM descriptor (FY2026)
Osteomyelofibrosis
D47.4 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Chronic idiopathic myelofibrosis
- Myelofibrosis (idiopathic) (with myeloid metaplasia)
- Myelosclerosis (megakaryocytic) with myeloid metaplasia
- Secondary myelofibrosis in myeloproliferative disease
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- acute myelofibrosis (C94.4-)
Related codes in D47
- D47.0Mast cell neoplasms of uncertain behaviorcategory
- D47.1Chronic myeloproliferative disease
- D47.2Monoclonal gammopathy
- D47.3Essential (hemorrhagic) thrombocythemia
- D47.ZOth neoplm of uncrt behav of lymphoid, hematpoetc & rel tisscategory
- D47.9Neoplm of uncrt behav of lymphoid,hematpoetc & rel tiss,unsp
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
- Parent code
- D47
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.