| CDE ID | CDE Description | | * 1063 | Site Participant ID (Go To: 1064) |
| * 1064 | Site Specimen ID (Go To: 422) |
| * 422 | EDRN Site ID (Go To: 1270) |
| * 1270 | Specimen stored (type) (Go To: 423) |
| | | Permissible Values (value): | Plasma (3) |
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| * 423 | EDRN Protocol ID (Go To: 2603) |
| * 2603 | Study group: (Go To: 1315) |
| | | Permissible Values (value): | Control (0) |
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| * 1315 | Race (What is your race? Check all that apply.) (Go To: 1294) |
| | | Permissible Values (value): | White (1) |
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| | | | Black or African-American (2) |
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| | | | American Indian or Alaska Native (3) |
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| | | | Native Hawaiian or other Pacific Islander (7) |
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| * 1294 | Race (Other, specify) (Go To: 1054) |
| * 1054 | Specimen collection date (MM/DD/YYYY): (Go To: 578) |
| * 578 | Age at specimen collection (Go To: 747) |
| * 747 | Additive used in blood collection? (Go To: 530) |
| | | Permissible Values (value): | EDTA (1) |
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| * 530 | Approximate total amount stored (Go To: 746) |
| * 746 | Approximate total amount stored (Unit) (Go To: 945) |
| | | Permissible Values (value): | Microliters (uL or mcl) (1) |
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| | | | Milliliters (mL or ml) (2) |
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| * 945 | Number of freeze-thaws: (Go To: 1097) |
| 1097 | Comments (do not include any participant identifiers) (Go To: End of Form) |