Non-Billable / Non-Specific Code
ICD-10-CM J98.5 is the diagnosis code for Diseases of mediastinum, not elsewhere classified. This code falls under the section "Other diseases of the respiratory system" within Chapter 10 â Diseases of the respiratory system (J00-J99). 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 J98.5. If the patient has both, code each condition separately:
Understanding where J98.5 sits in the ICD-10-CM classification helps ensure proper coding:
No, J98.5 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
J98.5 is the ICD-10-CM diagnosis code for "Diseases of mediastinum, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of J98.5 is J98 ("Other respiratory disorders"). J98.5 provides a more specific classification within this category.
J98.5 is located in Section J96-J99 â "Other diseases of the respiratory system" within Chapter 10 of the ICD-10-CM Tabular List.
J98.5 has 2 sub-code(s) that provide more specific detail: J98.51, J98.59.
Use J98.5 when the patients documented diagnosis matches "Diseases of mediastinum, not elsewhere classified" 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 Diseases of mediastinum, not elsewhere classified is J98.5.
No, J98.5 is non-billable. Use a more specific sub-code for primary diagnosis billing.
J98.5 is in Chapter 10 of the ICD-10-CM Tabular List.
Yes, J98.5 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.