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Table 1 ICD-9-CM Diagnosis Codes for heart failure used by AHRQ—Quality Indicators and by CMS-HCC (common codes are in bold)

From: Methodological issues on the use of administrative data in healthcare research: the case of heart failure hospitalizations in Lombardy region, 2000 to 2012

AHRQ codes

398.91-402.01-402.11-402.91-404.01-404.03-404.11-404.13-404.91-404.93-428.0-428.1-428.20-428.21-428.22-428.23-428.30-428.31-428.32-428.33-428.40-428.41-428.42-428.43-428.9

CMS-HCC codes

402.01-402.11-402.91-404.01-404.11-404.91-415.0-416.0-416.1-416.8-416.9-417.0-417.1-417.8-417.9-425.0-425.1-425.2-425.3-425.4-425.5-425.7-425.8-425.9-428.0-428.1-428.20-428.21-428.22-428.23-428.30-428.31-428.32-428.33-428.40-428.41-428.42-428.43-428.9-429.0-429.1