| | eerste harttoon normaal (bevinding) |  |  | eerste harttoon normaal |  |  | S1 niet afwijkendS1 normaal
 
 |  |  | Normal first heart sound, S>1< | 
 | | SNOMED CT to ICD-10 extended map |  | | Target |  |  | Rule | TRUE |  | Advice | MAP SOURCE CONCEPT CANNOT BE CLASSIFIED WITH AVAILABLE DATA |  | Correlation | SNOMED CT source code to target map code correlation not specified | 
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