Non-Billable / Non-Specific Code
ICD-10-CM N64 is the diagnosis code for Other disorders of breast. This code falls under the section "Disorders of breast" within Chapter 14 â Diseases of the genitourinary system (N00-N99). 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 N64. If the patient has both, code each condition separately:
Understanding where N64 sits in the ICD-10-CM classification helps ensure proper coding:
No, N64 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
N64 is the ICD-10-CM diagnosis code for "Other disorders of breast". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
N64 is located in Section N60-N65 â "Disorders of breast" within Chapter 14 of the ICD-10-CM Tabular List.
N64 has 8 sub-code(s) that provide more specific detail: N64.0, N64.1, N64.2, N64.3, N64.4 and more.
Use N64 when the patients documented diagnosis matches "Other disorders of breast" 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 Other disorders of breast is N64.
No, N64 is non-billable. Use a more specific sub-code for primary diagnosis billing.
N64 is in Chapter 14 of the ICD-10-CM Tabular List.
Yes, N64 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.