D47.4
Billable

Osteomyelofibrosis

Billable / Specific Code

What is Osteomyelofibrosis?

ICD-10-CM D47.4 is the diagnosis code for Osteomyelofibrosis. This code falls under the section "Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes" within Chapter 2 — Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for D47.4

✅ This Code Includes

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

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as D47.4. They are mutually exclusive:

  • acute myelofibrosis (C94.4-)

ICD-10-CM Code Hierarchy

Understanding where D47.4 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is D47.4 a billable ICD-10-CM code?

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

What does D47.4 mean?

D47.4 is the ICD-10-CM diagnosis code for "Osteomyelofibrosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of D47.4?

The parent code of D47.4 is D47 ("Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue"). D47.4 provides a more specific classification within this category.

What section is D47.4 in?

D47.4 is located in Section D37-D48 — "Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes" within Chapter 2 of the ICD-10-CM Tabular List.

When should I use D47.4?

Use D47.4 when the patients documented diagnosis matches "Osteomyelofibrosis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Osteomyelofibrosis?

The ICD-10-CM code for Osteomyelofibrosis is D47.4.

Can D47.4 be used for primary diagnosis?

Yes, D47.4 can be used as a primary diagnosis code since it is billable and specific.

What chapter is D47.4 in?

D47.4 is in Chapter 2 of the ICD-10-CM Tabular List.

What conditions are excluded from D47.4?

Type 1 Excludes for D47.4 include: acute myelofibrosis (C94.4-).

Is D47.4 valid for 2026?

Yes, D47.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousD47.3Essential (hemorrhagic) thrombocythemiaNext →D47.9Neoplasm of uncertain behavior of lymphoid, hematopoietic and related tissue, unspecified
Code Details
D47.4
Osteomyelofibrosis
Billable / Specific Code
2 — Neoplasms (C00-D49)
D37-D48 — Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
2026 ICD-10-CM