511.9 PLEURAL EFFUSION NOS

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Code Information

Diagnosis Code: 511.9

Short Description: Pleural effusion NOS

Long Description: Unspecified pleural effusion

Code Classification:

Diseases of the respiratory system (460–519)
- Other diseases of respiratory system (510-519)
  - 511 Pleurisy
    - 511.9 Pleural effusion NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 511.9 has the following ICD-9-CM references to the Index of Diseases and Injuries

Dropsy, dropsical (see also Edema) 782.3
- chest 511.9

Effusion
- pleura, pleurisy, pleuritic, pleuropericardial 511.9
  - bacterial, nontuberculous 511.1
  - fetus or newborn 511.9
  - malignant 511.81
  - nontuberculous 511.9
    - bacterial 511.1
  - pneumococcal 511.1
  - staphylococcal 511.1
  - streptococcal 511.1
  - traumatic 862.29
    - with open wound 862.39
  - tuberculous (see also Tuberculosis, pleura) 012.0
    - primary progressive 010.1

Fluid
- chest (see also Pleurisy, with effusion) 511.9
- pleural cavity (see also Pleurisy, with effusion) 511.9

Pleurisy (acute) (adhesive) (chronic) (costal) (diaphragmatic) (double) (dry) (fetid) (fibrinous) (fibrous) (interlobar) (latent) (lung) (old) (plastic) (primary) (residual) (sicca) (sterile) (subacute) (unresolved) (with adherent pleura) 511.0
- with
  - effusion (without mention of cause) 511.9
    - bacterial, nontuberculous 511.1
    - nontuberculous NEC 511.9
      - bacterial 511.1
    - pneumococcal 511.1
    - specified type NEC 511.89
    - staphylococcal 511.1
    - streptococcal 511.1
    - tuberculous (see also Tuberculosis, pleura) 012.0
      - primary, progressive 010.1
- exudative (see also Pleurisy, with effusion) 511.9
  - bacterial, nontuberculous 511.1
- serofibrinous (see also Pleurisy, with effusion) 511.9
  - bacterial, nontuberculous 511.1
- serous (see also Pleurisy, with effusion) 511.9
  - bacterial, nontuberculous 511.1

Crosswalk Information

The code 511.9 converts into the following ICD-10 code(s):

ICD-9 Code		ICD-10 Code	ICD-10 Description
511.9		J91.8	Pleural effusion in other conditions classified elsewhere

This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code	ICD-9 Description
511.0	Pleurisy without mention of effusion or current tuberculosis
511.1	Pleurisy with effusion, with mention of a bacterial cause other than tuberculosis
511.81	Malignant pleural effusion
511.89	Other specified forms of effusion, except tuberculous

This page was last updated on: 10/1/2014

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