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D75.81

✓ Billable

Myelofibrosis

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

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Also Known As

Myelofibrosis NOSSecondary myelofibrosis NOS

📋 Code Instructions

  • • Code first: the underlying disorder, such as:
  • • Code first: malignant neoplasm of breast (C50.-)

❌ Excludes1

direct

Cannot be coded with D75.81

  • • acute myelofibrosis (C94.4-)
  • • idiopathic myelofibrosis (D47.1)
  • • leukoerythroblastic anemia (D61.82)
  • • myelofibrosis with myeloid metaplasia (D47.4)
  • • myelophthisic anemia (D61.82)
  • • myelophthisis (D61.82)
  • • primary myelofibrosis (D47.1)

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Code Information

CodeD75.81
BillableYes
ParentD75.8
CategoryDiseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Excludes17 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)