| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 42823 (Diagnosis) - Ac on chr syst hrt fail (Acute on chronic systolic heart failure) | Single To Single | I5023 (Diagnosis) - Acute on chronic systolic (congestive) heart failure |
| CMS/CDC General Equivalence Mappings |
| 42823 (Diagnosis) - Ac on chr syst hrt fail (Acute on chronic systolic heart failure) | Single To Single | Alternative #1: I5023 (Diagnosis) - Acute on chronic systolic (congestive) heart failure |
| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 42823 (Diagnosis) - Ac on chr syst hrt fail (Acute on chronic systolic heart failure) with 4280 (Diagnosis) - CHF NOS (Congestive heart failure, unspecified) | Cluster To Single | I5023 (Diagnosis) - Acute on chronic systolic (congestive) heart failure |
| CMS/CDC General Equivalence Mappings |
| 42823 (Diagnosis) - Ac on chr syst hrt fail (Acute on chronic systolic heart failure) with 4280 (Diagnosis) - CHF NOS (Congestive heart failure, unspecified) | Cluster To Single | Alternative #1: I5023 (Diagnosis) - Acute on chronic systolic (congestive) heart failure |