Specific code 2014 ICD-9-CM Diagnosis Code 511.81
Malignant pleural effusion
  • 2014
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • 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 2014 version of ICD-9-CM 511.81.
  • More recent version(s) of ICD-9-CM 511.81: 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
ICD-9-CM Volume 2 Index entries containing back-references to 511.81:
  • Effusion
    • pleura, pleurisy, pleuritic, pleuropericardial 511.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 511.81 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.