Inclusion Criteria:

• Patients referred to the Mayo Clinic HF Clinic with a diagnosis of heart failure who have a clinical blood draw scheduled.
• Adults ≥ 18 years old.

Exclusion Criteria:

• Any history of Hemoglobin less than 9 g/dL during the past 3 months
• Active cancer
• Moderate to severe/severe aortic stenosis, valve disease, myocarditis, sarcoid, amyloid, congenital heart disease, peripartum cardiomyopathy, non-compaction cardiomyopathy, hypertrophic cardiomyopathy or hypertrophic obstructive cardiomyopathy, restrictive cardiomyopathy, kidney transplant patients, heart failure due to chemo and/or radiation, chronic kidney disease patients on dialysis

Describe provisions for inclusion of minorities:

• We anticipate the percentage of minority participants enrolled in this study will be similar to that of the overall patient population referred to the Mayo Clinic Heart Failure Clinic with a diagnosis of heart failure.

Note: Other protocol defined Inclusion/Exclusion Criteria may apply.

Eligibility last updated 11/06/2024. Questions regarding updates should be directed to the study team contact.