Primary diagnosis: 4 character

The Primary diagnosis: 4-character table provides a complete breakdown of all the 4-character primary diagnosis codes, giving an extremely detailed breakdown.

The codes consist of a letter followed by two numbers with a single decimal point (eg A12.3) and are accompanied by a complete description of the diagnosis. The 4-character codes are a direct breakdown of the 3-character codes detailed in the 3-character table, providing an additional level of detail.

Note: (14/02/12) An update to the 2010-11 primary diagnosis table has been published. The fourth character of the diagnosis codes have been corrected. The diagnosis descriptions and corresponding data remain unchanged.

Responsible statistician

The responsible statistician for this publication is Chris Dew, HES/SUS Analysis (Service) Section Head ([email protected], 0845 300 6016).

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