abioSCOPE PSP Reference Range Study; Extension of AB-PSP-003

Inclusion Criteria: 1. Male or female, aged ≥ 18 years. 2. Apparently healthy as determined by a subject questionnaire. Exclusion Criteria: 1. Current diagnosis, or history, of any underlying major medical condition determined by the investigator, including but not limited to 1. Renal disease 2. Stoke 3. Liver disease 4. Pancreatic disease (including diabetes) 5. HIV AIDS 6. Receiving antibiotic therapy 7. Suspected infection 8. Immunosuppression 2. Underwent procedures related to sepsis, or diagnosed with sepsis, within the last 12 months. 3. Current diagnosis of uncontrolled diabetes. 4. Diagnosis of bacterial, fungal, or malaria infection within the last 3 months that required antimicrobial treatment. 5. Experienced severe trauma, surgery, cardiac arrest, or severe burn within the previous 3 months requiring medical care. 6. Diagnosis and/or treatment of cancer within the last 12 months. 7. Received immunosuppressive therapy. 8. Hospitalization for more than 24 hours within the last month. 9. Reported as currently pregnant or nursing a child 10. Unable or unwilling to provide the required blood sample for testing.