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Read Codes are a thesaurus of clinical terms used by GP computer systems in several countries including the UK, New Zealand and Australia.
Named after Dr. James Read, a former GP, Read codes have a variety of uses within electronic medical record, GP practice administration, clinical audit and communicating with other IT systems that use different coding systems.
Read codes are grouped into a number of disease areas (e.g. respiratory, gastrointestinal), which is represented by the first letter of the code (e.g. H for respiratory).
H…. Respiratory system disease
H3… Chronic obstructive pulmonary disease
H33.. Asthma
H331. Intrinsic asthma
H3311 Intrinsic asthma with status asthmaticus[1]