Specific code 2014 ICD-9-CM Diagnosis Code 518.1
Interstitial emphysema
  • 2014
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 518.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 518.1 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 518.1.
  • More recent version(s) of ICD-9-CM 518.1: 2015.
Convert to ICD-10-CM: 518.1 converts directly to:
  • 2015/16 ICD-10-CM J98.2 Interstitial emphysema
Approximate Synonyms
  • Interstitial emphysema of lung
  • Mediastinal emphysema
  • Pneumomediastinum
518.1 Excludes
  • surgical (subcutaneous) emphysema (998.81)
  • that in fetus or newborn (770.2)
  • traumatic emphysema (958.7)
Applies To
  • Mediastinal emphysema
ICD-9-CM Volume 2 Index entries containing back-references to 518.1:
  • Air
    • anterior mediastinum 518.1
  • Disease, diseased - see also Syndrome
    • Hamman's (spontaneous mediastinal emphysema) 518.1
  • Emphysema (atrophic) (centriacinar) (centrilobular) (chronic) (diffuse) (essential) (hypertrophic) (interlobular) (lung) (obstructive) (panlobular) (paracicatricial) (paracinar) (postural) (pulmonary) (senile) (subpleural) (traction) (unilateral) (unilobular) (vesicular) 492.8
    • interstitial 518.1
    • mediastinal 518.1
  • Hamman's disease or syndrome (spontaneous mediastinal emphysema) 518.1
  • Pneumomediastinum 518.1
  • Syndrome - see also Disease
    • Hamman's (spontaneous mediastinal emphysema) 518.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 518.1 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.