C94.4
Non-Billable

Acute panmyelosis with myelofibrosis

Non-Billable / Non-Specific Code

What is Acute panmyelosis with myelofibrosis?

ICD-10-CM C94.4 is the diagnosis code for Acute panmyelosis with myelofibrosis. This code falls under the section "Malignant neoplasms of lymphoid, hematopoietic and related tissue" within Chapter 2 — Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. 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 C94.4

✅ This Code Includes

  • Acute myelofibrosis

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as C94.4. They are mutually exclusive:

  • myelofibrosis NOS (D75.81)
  • secondary myelofibrosis NOS (D75.81)

ICD-10-CM Code Hierarchy

Understanding where C94.4 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
C94.40Acute panmyelosis with myelofibrosis not having achieved remissionBillableC94.41Acute panmyelosis with myelofibrosis, in remissionBillableC94.42Acute panmyelosis with myelofibrosis, in relapseBillable
Related Codes

Frequently Asked Questions

Is C94.4 a billable ICD-10-CM code?

No, C94.4 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does C94.4 mean?

C94.4 is the ICD-10-CM diagnosis code for "Acute panmyelosis with myelofibrosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of C94.4?

The parent code of C94.4 is C94 ("Other leukemias of specified cell type"). C94.4 provides a more specific classification within this category.

What section is C94.4 in?

C94.4 is located in Section C81-C96 — "Malignant neoplasms of lymphoid, hematopoietic and related tissue" within Chapter 2 of the ICD-10-CM Tabular List.

What are the sub-codes of C94.4?

C94.4 has 3 sub-code(s) that provide more specific detail: C94.40, C94.41, C94.42.

When should I use C94.4?

Use C94.4 when the patients documented diagnosis matches "Acute panmyelosis with myelofibrosis" 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 Acute panmyelosis with myelofibrosis?

The ICD-10-CM code for Acute panmyelosis with myelofibrosis is C94.4.

Can C94.4 be used for primary diagnosis?

No, C94.4 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is C94.4 in?

C94.4 is in Chapter 2 of the ICD-10-CM Tabular List.

What conditions are excluded from C94.4?

Type 1 Excludes for C94.4 include: myelofibrosis NOS (D75.81); secondary myelofibrosis NOS (D75.81).

Is C94.4 valid for 2026?

Yes, C94.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousC94.32Mast cell leukemia, in relapseNext →C94.40Acute panmyelosis with myelofibrosis not having achieved remission
Code Details
C94.4
Acute panmyelosis with myelofibrosis
Non-Billable / Non-Specific Code
2 — Neoplasms (C00-D49)
C81-C96 — Malignant neoplasms of lymphoid, hematopoietic and related tissue
2026 ICD-10-CM