Objective evidence is coded where the diagnosis is derived from and substantiated by clinical documentation of sleep apnoea syndrome (SAS). SAS has been diagnosed from the results of a sleep study.
Collection methods:
For each Person—concurrent clinical condition (acute coronary syndrome), code NN, the data elements Person—clinical evidence status(chronic lung disease), code N; Person—clinical evidence status(heart failure), code N; Person—clinical evidence status(stroke), code N; Person—clinical evidence status(peripheral arterial disease), code N; Person—clinical evidence status(sleep apnoea syndrome), code N must also be recorded.