Non-Billable / Non-Specific Code
ICD-10-CM J91 is the diagnosis code for Pleural effusion in conditions classified elsewhere. This code falls under the section "Other diseases of the pleura" 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 J91. If the patient has both, code each condition separately:
Understanding where J91 sits in the ICD-10-CM classification helps ensure proper coding:
No, J91 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
J91 is the ICD-10-CM diagnosis code for "Pleural effusion in conditions classified elsewhere". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
J91 is located in Section J90-J94 â "Other diseases of the pleura" within Chapter 10 of the ICD-10-CM Tabular List.
J91 has 2 sub-code(s) that provide more specific detail: J91.0, J91.8.
Use J91 when the patients documented diagnosis matches "Pleural effusion in conditions classified elsewhere" 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 Pleural effusion in conditions classified elsewhere is J91.
No, J91 is non-billable. Use a more specific sub-code for primary diagnosis billing.
J91 is in Chapter 10 of the ICD-10-CM Tabular List.
Yes, J91 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.