ICD-10-CM J64 is the diagnosis code for Unspecified pneumoconiosis. This code falls under the section "Lung diseases due to external agents" within Chapter 10 — Diseases of the respiratory system (J00-J99). 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 J64. They are mutually exclusive:
Understanding where J64 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, J64 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
J64 is the ICD-10-CM diagnosis code for "Unspecified pneumoconiosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
J64 is located in Section J60-J70 — "Lung diseases due to external agents" within Chapter 10 of the ICD-10-CM Tabular List.
Use J64 when the patients documented diagnosis matches "Unspecified pneumoconiosis" 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 Unspecified pneumoconiosis is J64.
Yes, J64 can be used as a primary diagnosis code since it is billable and specific.
J64 is in Chapter 10 of the ICD-10-CM Tabular List.
Type 1 Excludes for J64 include: pneumonoconiosis with tuberculosis, any type in A15 (J65).
Yes, J64 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.