D47.09
Billable

Other mast cell neoplasms of uncertain behavior

Billable / Specific Code

What is Other mast cell neoplasms of uncertain behavior?

ICD-10-CM D47.09 is the diagnosis code for Other mast cell neoplasms of uncertain behavior. 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

Coding Guidelines for D47.09

✅ This Code Includes

  • Extracutaneous mastocytoma
  • Mast cell tumor NOS
  • Mastocytoma NOS
  • Mastocytosis NOS

ICD-10-CM Code Hierarchy

Understanding where D47.09 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is D47.09 a billable ICD-10-CM code?

Yes, D47.09 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does D47.09 mean?

D47.09 is the ICD-10-CM diagnosis code for "Other mast cell neoplasms of uncertain behavior". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of D47.09?

The parent code of D47.09 is D47.0 ("Mast cell neoplasms of uncertain behavior"). D47.09 provides a more specific classification within this category.

What section is D47.09 in?

D47.09 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 D47.09?

Use D47.09 when the patients documented diagnosis matches "Other mast cell neoplasms of uncertain behavior" 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 Other mast cell neoplasms of uncertain behavior?

The ICD-10-CM code for Other mast cell neoplasms of uncertain behavior is D47.09.

Can D47.09 be used for primary diagnosis?

Yes, D47.09 can be used as a primary diagnosis code since it is billable and specific.

What chapter is D47.09 in?

D47.09 is in Chapter 2 of the ICD-10-CM Tabular List.

Is D47.09 valid for 2026?

Yes, D47.09 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousD47.02Systemic mastocytosisNext →D47.1Chronic myeloproliferative disease
Code Details
D47.09
Other mast cell neoplasms of uncertain behavior
Billable / Specific Code
2 — Neoplasms (C00-D49)
D37-D48 — Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
2026 ICD-10-CM