Blood Collection From Heart Failure Patients to Evaluate for Galectin-3 Measurement Differences Using Various Collection Tubes

Single-site blood collection investigation.

45 Heart Failure patients will be recruited. Patients will provide a one-time blood sample specimen collection. Theses samples will be de-identified and provided for measurement of Galectin-3 on commercial platforms.

Inclusion Criteria:

• Heart Failure patients New York Heart Association class able to provide (4) collection tube types Subjects > 18 years old All subjects must provide informed consent and associated documentation

Exclusion Criteria:

• Subjects that cannot tolerate blood withdrawal of 4 specimens collection tube tubes (approximately 40 mLs)