source,url,retrieved,note
"AHRQ HCUP NIS HCUP_NIS2016_2023_DXandPRfreqs.xlsx - CCSR Category T.1","https://hcup-us.ahrq.gov/db/nation/nis/nisdbdocumentation.jsp","2026-03-13","Weighted national estimates of all-listed hospital discharges (thousands). CCSR CIR005 includes I40-I43 (myocarditis AND cardiomyopathy combined). Values rounded to nearest 1000."

category,ccsr_code,icd10_approx,yr_2016_k,yr_2017_k,yr_2018_k,yr_2019_k,yr_2020_k,yr_2021_k,yr_2022_k,yr_2023_k
Myocarditis and cardiomyopathy,CIR005,I40-I43,1663,1686,1755,1815,1670,1747,1763,1869
Pericarditis and pericardial disease,CIR006,I30-I31,196,208,224,240,241,278,292,327
Acute myocardial infarction,CIR009,I21-I22,1008,1083,1163,1230,1244,1357,1410,1491
Coronary atherosclerosis and other heart disease,CIR011,I20+I23-I25,6402,6547,6580,6670,5979,6118,6132,6482
Cardiac dysrhythmias (incl AFib),CIR017,I47-I49,5020,5272,5457,5648,5206,5502,5601,6012
Cardiac arrest and ventricular fibrillation,CIR018,I46,252,270,272,273,319,373,331,312
Heart failure,CIR019,I50,4767,5171,5442,5676,5211,5452,5648,6053