Billable / Specific Code
ICD-10-CM D49.6 is the diagnosis code for Neoplasm of unspecified behavior of brain. This code falls under the section "Neoplasms of unspecified behavior" 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.
The following conditions should never be coded at the same time as D49.6. They are mutually exclusive:
Understanding where D49.6 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, D49.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
D49.6 is the ICD-10-CM diagnosis code for "Neoplasm of unspecified behavior of brain". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of D49.6 is D49 ("Neoplasms of unspecified behavior"). D49.6 provides a more specific classification within this category.
D49.6 is located in Section D49 — "Neoplasms of unspecified behavior" within Chapter 2 of the ICD-10-CM Tabular List.
Use D49.6 when the patients documented diagnosis matches "Neoplasm of unspecified behavior of brain" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Neoplasm of unspecified behavior of brain is D49.6.
Yes, D49.6 can be used as a primary diagnosis code since it is billable and specific.
D49.6 is in Chapter 2 of the ICD-10-CM Tabular List.
Type 1 Excludes for D49.6 include: neoplasm of unspecified behavior of cerebral meninges (D49.7); neoplasm of unspecified behavior of cranial nerves (D49.7).
Yes, D49.6 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.