More than one site will participate in the collection of blood and urine samples from healthy adult subjects. These samples will be used for future testing to serve as aged-matched normal controls and to establish normal reference ranges in the development of new invitro diagnostic devices.

Inclusion Criteria:

• Apparently healthy adults (age ≥ 21 years)
• Provide written informed consent for study participation

Exclusion Criteria:

• Any known or suspected acute illness or condition - including acute infections - at the time of enrollment or within the previous 30 days;
• Any known or suspected significant chronic medical conditions (such as diabetes, coronary artery disease, renal insufficiency, hypertension, hypercholesterolemia, chronic inflammatory diseases [e.g., rheumatoid arthritis], cancer, etc);
• Trauma-related surgery within the last 6 months;
• Any surgery, hospitalization or institutionalization (such as in a nursing home) during the previous 3 months;
• Received any blood product transfusion within the previous 2 months;
• Pregnant women or children;
• Prisoners or institutionalized individuals;
• Already provided blood or urine samples for this study.

Healthy Adults