ICD-9-CM Diagnosis Code 482.83
Diagnosis Code: 482.83 (Raw: 48283)
Description: Pneumonia due to other gram-negative bacteria
Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
Fiscal Year: 2026 Reference
CMS Section 111 Status: Valid for reporting.
Overview & Historical Usage
ICD-9-CM code 482.83 is designated for Pneumonia due to other gram-negative bacteria. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.
