Table 1.
ICD-10 codes used to identify patients with HF with or without ID/IDA
| HF codes (primary diagnosis) | ID/IDA codes (secondary diagnoses) |
| I11.0 (hypertensive heart disease with (congestive) heart failure) I25.5 (ischaemic cardiomyopathy) I42.0 (dilated cardiomyopathy) I42.9 (cardiomyopathy, unspecified) I50.0 (congestive heart failure) I50.1 (left ventricular failure) I50.9 (heart failure, unspecified) |
D500 (IDA secondary to blood loss (chronic)) D508 (other IDA) D509 (IDA unspecified) D649 (anaemia unspecified) |
HF, heart failure; ICD-10, 10th revision of the International Statistical Classification of Diseases and Related Health Problems; ID, iron deficiency; IDA, iron deficiency anaemia.