| Laryngotracheobronchitis (disorder) | | Laryngotracheobronchitis | | LTB - Laryngotracheobronchitis
| | laryngotracheobronchitis |
| | General Practice / Family Practice reference set |
| DHD Diagnosis thesaurus reference set |
| ICD-10 complex map reference set | | Target | J20.9 | | Rule | IFA 445518008 | Age at onset of clinical finding (observable entity) | <= 15.0 years | | Advice | IF AGE AT ONSET OF CLINICAL FINDING ON OR BEFORE 15.0 YEARS CHOOSE J20.9 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT | MAPPED FOLLOWING WHO GUIDANCE | | Correlation | SNOMED CT source code to target map code correlation not specified |
| Target | J40 | | Rule | OTHERWISE TRUE | | Advice | ALWAYS J40 | | Correlation | SNOMED CT source code to target map code correlation not specified |
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