Clinical_coding. association ../concept/statistics. association Data_protection. association Health_care. association Patient_records. Disease Classification ICD 10 ICD_10_&_OPCS_4 ../content/clinical_coding.htm Operations or Interventions OPCS text Coding of operations and diseases together with metadata about the episode of health care they refer to, allows the creation of data for analysis      Vr.154, Jan 2009     Readme