
2012 ICD-9-CM Diagnosis Code 511.81
Malignant pleural effusion
- Short description: Malignant pleural effusn.
- ICD-9-CM 511.81 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 511.81 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
- You are viewing the 2012 version of ICD-9-CM 511.81.
- More recent version(s) of ICD-9-CM 511.81: 2013 2014 2015.
Convert to ICD-10-CM:
511.81 converts directly to:
- 2015/16 ICD-10-CM J91.0 Malignant pleural effusion
Approximate Synonyms
- Neoplastic pleural effusion
- Pleural effusion due to malignancy
Code First

- Code first malignant neoplasm, if known