1. J91 Pleural effusion in conditions classified elsewhere


    • pleural effusion in heart failure (I50.-)
    • pleural effusion in systemic lupus erythematosus (M32.13)
    1. J91.0 Malignant pleural effusion

    2. J91.8 Pleural effusion in other conditions classified elsewhere

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.