Specific code 2014 ICD-9-CM Diagnosis Code 483.1
Pneumonia due to chlamydia
  • Billable Code
  • Short description: Pneumonia d/t chlamydia.
  • ICD-9-CM 483.1 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 483.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Chlamydial pneumonia
Clinical Information
  • Pneumonia caused by infections with the genus chlamydia; and chlamydophila, usually with chlamydophila pneumoniae.
Convert to ICD-10-CM: 483.1 converts directly to:
  • 2014 ICD-10-CM J16.0 Chlamydial pneumonia
ICD-9-CM Volume 2 Index entries containing back-references to 483.1:
  • 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
    • Chlamydia, chlamydial 483.1
      • pneumoniae 483.1
      • psittaci 073.0
      • specified type NEC 483.1
      • trachomatis 483.1
    • due to
      • adenovirus 480.0
      • anaerobes 482.81
      • Bacterium anitratum 482.83
      • Chlamydia, chlamydial 483.1
        • pneumoniae 483.1
        • psittaci 073.0
        • specified type NEC 483.1
        • trachomatis 483.1
      • coccidioidomycosis 114.0
      • Diplococcus (pneumoniae) 481
      • Eaton's agent 483.0
      • Escherichia coli (E. coli) 482.82
      • Friedl√§nder's bacillus 482.0
      • fumes or vapors (chemical) (inhalation) 506.0
      • fungus NEC 117.9 [484.7]
      • Hemophilus influenzae (H. influenzae) 482.2
      • Herellea 482.83
      • influenza (see also Influenza) 487.0
      • Klebsiella pneumoniae 482.0
      • Mycoplasma (pneumoniae) 483.0
      • parainfluenza virus 480.2
      • pleuropneumonia-like organism (PPLO) 483.0
      • Pneumococcus 481
      • Pneumocystis carinii 136.3
      • Pneumocystis jiroveci 136.3
      • Proteus 482.83
      • Pseudomonas 482.1
      • respiratory syncytial virus 480.1
      • rickettsia 083.9 [484.8]
      • SARS-associated coronavirus 480.3
      • specified
      • Staphylococcus 482.40
      • Streptococcus - see also Pneumonia, streptococcal
      • virus (see also Pneumonia, viral) 480.9
        • SARS-associated coronavirus 480.3
    • TWAR agent 483.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 483.1 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.