Specific code 2012 ICD-9-CM Diagnosis Code 516.31
Idiopathic pulmonary fibrosis
  • Short description: Idiopath pulmon fibrosis.
  • ICD-9-CM 516.31 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 516.31 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 516.31.
  • More recent version(s) of ICD-9-CM 516.31: 2013 2014.
Disease Synonyms
  • Diffuse interstitial pulmonary fibrosis
  • Familial idiopathic pulmonary fibrosis
  • Interstitial pulmonary fibrosis (ipf), familial
  • Pulmonary fibrosis, familial
Applies To
  • Cryptogenic fibrosing alveolitis
Convert to ICD-10-CM: 516.31 converts directly to:
  • 2014 ICD-10-CM J84.112 Idiopathic pulmonary fibrosis
ICD-9-CM Volume 2 Index entries containing back-references to 516.31:
  • Alveolitis
    • fibrosing (chronic) (cryptogenic) (lung) 516.31
  • Fibrosis, fibrotic
    • alveolar (diffuse) 516.31
    • lung (atrophic) (capillary) (chronic) (confluent) (massive) (perialveolar) (peribronchial) 515
      • with
        • anthracosilicosis (occupational) 500
        • anthracosis (occupational) 500
        • asbestosis (occupational) 501
        • bagassosis (occupational) 495.1
        • bauxite 503
        • berylliosis (occupational) 503
        • byssinosis (occupational) 504
        • calcicosis (occupational) 502
        • chalicosis (occupational) 502
        • dust reticulation (occupational) 504
        • farmers' lung 495.0
        • gannister disease (occupational) 502
        • graphite 503
        • pneumonoconiosis (occupational) 505
        • pneumosiderosis (occupational) 503
        • siderosis (occupational) 503
        • silicosis (occupational) 502
        • tuberculosis (see also Tuberculosis) 011.4
      • diffuse (idiopathic) (interstitial) 516.31
      • due to
        • bauxite 503
        • fumes or vapors (chemical) (inhalation) 506.4
        • graphite 503
      • following radiation 508.1
      • postinflammatory 515
      • silicotic (massive) (occupational) 502
      • tuberculous (see also Tuberculosis) 011.4
    • pulmonary (chronic) (see also Fibrosis, lung) 515
      • alveolar capillary block 516.8
      • idiopathic 516.31
      • interstitial
        • diffuse (idiopathic) 516.31
        • newborn 770.7
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 516.31 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.