Specific code 2015 ICD-9-CM Diagnosis Code 516.33
Acute interstitial pneumonitis
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 516.33 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 516.33 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).
Convert to ICD-10-CM: 516.33 converts directly to:
  • 2015/16 ICD-10-CM J84.114 Acute interstitial pneumonitis
Approximate Synonyms
  • Acute interstitial pneumonia
516.33 Excludes
  • pneumocystis pneumonia (136.3)
Applies To
  • Hamman-Rich syndrome
ICD-9-CM Volume 2 Index entries containing back-references to 516.33:
  • Hamman-Rich syndrome (diffuse interstitial pulmonary fibrosis) 516.33
  • Pneumonia (acute) (Alpenstich) (benign) (bilateral) (brain) (cerebral) (circumscribed) (congestive) (creeping) (delayed resolution) (double) (epidemic) (fever) (flash) (fulminant) (fungoid) (granulomatous) (hemorrhagic) (incipient) (infantile) (infectious) (infiltration) (insular) (intermittent) (latent) (lobe) (migratory) (newborn) (organized) (overwhelming) (primary) (progressive) (pseudolobar) (purulent) (resolved) (secondary) (senile) (septic) (suppurative) (terminal) (true) (unresolved) (vesicular) 486
    • interstitial 516.8
      • with influenzal (see also Influenza) 487.0
      • acute
        • due to Pneumocystis (carinii) (jiroveci) 136.3
          • meaning:
            • acute interstitial pneumonitis 516.33
            • atypical pneumonia - see Pneumonia, atypical
            • bacterial pneumonia - see Pneumonia, bacterial
      • chronic (see also Fibrosis, lung) 515
      • desquamative 516.37
      • hypostatic 514
      • idiopathic 516.30
      • lipoid 507.1
      • lymphoid (due to known underlying cause) 516.8
      • non-specific (due to known underlying cause) 516.8
      • organizing (due to known underlying cause) 516.8
      • plasma cell 136.3
      • Pseudomonas 482.1
  • Pneumonitis (acute) (primary) (see also Pneumonia) 486
    • interstitial (chronic) (see also Fibrosis, lung) 515
  • Syndrome - see also Disease
    • Hamman-Rich (diffuse interstitial pulmonary fibrosis) 516.33
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 516.33 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.