The purpose of this single-visit study is to demonstrate the performance of capillary blood samples collected with the Tasso+ Serum Gel Capillary Blood Collection System compared to venous reference samples for downstream analyte testing at a clinical laboratory.

Inclusion Criteria:

1. Adults aged 18-85 years with no previous experience with the Tasso+ lancet
2. Willing and able to provide written informed consent prior to study entry
3. Willing and able to adhere to study assessments, schedule, prohibitions and restrictions as described in the protocol
4. Healthy individuals or patients with abnormal analyte values (verified or likely to be) within intended clinical reference ranges as indicated by standard of care testing and/or past medical history, in the judgement of the investigator

Exclusion Criteria:

1. Present with abnormal skin integrity or atypical skin health near/on arm collection sites
2. Mental or physical impairment which would preclude participation in the judgement of the investigator or qualified designee
3. Trained clinical laboratory and healthcare personnel who have worked in the field in the previous 5 years
4. Any condition which, in the opinion of the investigator or delegate, makes the participant unsuitable for this study (including, but not limited to, any mental or physical impairment which would preclude provision of adequate and knowledgeable consent)

Healthy individuals or patients with abnormal analyte values (verified or likely to be) within intended clinical reference ranges as indicated by standard of care testing and/or past medical history.

Research results are proprietary; no sharing with other researchers is anticipated.