Main procedures and interventions: 4 character

The Main procedures and interventions: 4-character tables provide a complete breakdown of all the 4-character main procedure and intervention codes, giving an extremely detailed breakdown of all procedures and interventions.

The codes consist of a letter followed by two numbers with a single decimal point (eg A12.3) with a complete description of the procedure or intervention. The 4-character codes are a direct breakdown of the 3-character codes.

Special note

Procedure and interventions are recorded using OPCS-4. During 2006-07, the version of OPCS used to record procedures and interventions in HES changed from OPCS-4.2 to OPCS-4.3. Further revisions were made in 2007-08 and 2009-10 bringing us to version 4.5. All codes that were in OPCS-4.2 to 4.4 remain in OPCS-4.5 and new codes were added to reflect changing clinical practice.

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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