Non-Billable / Non-Specific Code
ICD-10-CM D49 is the diagnosis code for Neoplasms of unspecified behavior. This code falls under the section "Neoplasms of unspecified behavior" within Chapter 2 â 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.
The following conditions are not included in D49. If the patient has both, code each condition separately:
Understanding where D49 sits in the ICD-10-CM classification helps ensure proper coding:
No, D49 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
D49 is the ICD-10-CM diagnosis code for "Neoplasms of unspecified behavior". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
D49 is located in Section D49 â "Neoplasms of unspecified behavior" within Chapter 2 of the ICD-10-CM Tabular List.
D49 has 10 sub-code(s) that provide more specific detail: D49.0, D49.1, D49.2, D49.3, D49.4 and more.
Use D49 when the patients documented diagnosis matches "Neoplasms of unspecified behavior" 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 Neoplasms of unspecified behavior is D49.
No, D49 is non-billable. Use a more specific sub-code for primary diagnosis billing.
D49 is in Chapter 2 of the ICD-10-CM Tabular List.
Yes, D49 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.