Diagnosis codes

In medicine, Diagnostic codes are used to group and identify diseases, disorders, symptoms, and medical signs, and are used to measure morbidity and mortality.

The codes may be quite frequently revised as new knowledge is attained. DSM (see below) changes some its coding to correspond to the codes in ICD. In 2005, for example, DSM changed the diagnostic codes for circadian rhythm sleep disorders from the 307-group to the 327-group; the new codes reflect the moving of these disorders from the Mental Disorders section to the Neurological section in the ICD.^[1]

[edit] Commonly used diagnosis coding systems

• ICD-9-CM (volumes 1 and 2 only. Volume 3 contains Procedure codes)
• ICD-10
• ICPC-2 (Also includes reasons for encounter (RFE), Procedure codes and process of care)
• ICSD, The International Classification of Sleep Disorders
• NANDA
• Diagnostic and Statistical Manual of Mental Disorders or DSM-IV (primarily psychiatric disorders)
• Mendelian Inheritance in Man (genetic diseases only)
• SNOMED (D axis)

[edit] External links

• Free online 2008 ICD-9-CM Diagnosis medical coding database

[edit] See also

• Diagnosis-related group
• Medical classification
• Major Diagnostic Category
• MedDRA

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