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Lower respiratory tract infection (LRTI) is a term often used as a synonym for pneumonia but can also be applied to other types of infection including lung abscess and acute bronchitis. Symptoms include shortness of breath , weakness, fever , coughing and fatigue. [ 3 ]
An infection of this type usually is further classified as an upper respiratory tract infection (URI or URTI) or a lower respiratory tract infection (LRI or LRTI). Lower respiratory infections, such as pneumonia, tend to be far more severe than upper respiratory infections, such as the common cold.
This is a shortened version of the eighth chapter of the ICD-9: Diseases of the Respiratory System.It covers ICD codes 460 to 519.The full chapter can be found on pages 283 to 300 of Volume 1, which contains all (sub)categories of the ICD-9.
The ICD-10 Procedure Coding System (ICD-10-PCS) is a US system of medical classification used for procedural coding.The Centers for Medicare and Medicaid Services, the agency responsible for maintaining the inpatient procedure code set in the U.S., contracted with 3M Health Information Systems in 1995 to design and then develop a procedure classification system to replace Volume 3 of ICD-9-CM.
The International Classification of Health Interventions (ICHI) is a system of classifying procedure codes being developed by the World Health Organization (WHO). It is currently available as a beta 3 release.
ICD-9 chapters; Chapter Block Title I 001–139: Infectious and Parasitic Diseases II 140–239: Neoplasms III 240–279: Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders
The CPT code revisions in 2013 were part of a periodic five-year review of codes. Some psychotherapy codes changed numbers, for example 90806 changed to 90834 for individual psychotherapy of a similar duration.
Classification des Actes Médicaux (CCAM) (used in France) [4]; Classificatie van verrichtingen (Dutch); Gebührenordnung für Ärzte (GOÄ) (Germany); Nomenclature des prestations de santé de l'institut national d'assurance maladie invalidité (Belgium)