2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Pneumonia And Influenza 480-488 > ICD-9-CM Diagnosis 483 Pneumonia due to other specified organism 483 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 483.0 Pneumonia due to mycoplasma pneumoniae Interstitial pneumonia caused by extensive infection of the lungs (LUNG) and BRONCHI, particularly the lower lobes of the lungs, by MYCOPLASMA PNEUMONIAE in humans. In SHEEP, it is caused by MYCOPLASMA OVIPNEUMONIAE. In CATTLE, it may be caused by MYCOPLASMA DISPAR. 483.0 is a specific code that can be used to specify a diagnosis 483.0 contains 9 index entries ICD-9-CM Diagnosis 483.1 Pneumonia due to chlamydia 483.1 is a specific code that can be used to specify a diagnosis 483.1 contains 9 index entries ICD-9-CM Diagnosis 483.8 Pneumonia due to other specified organism 483.8 is a specific code that can be used to specify a diagnosis 483.8 contains 5 index entries