Unknown Value Convention (Practice Note 82) | PharmaBharat Tools

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Unknown Value Convention (Practice Note 82) | PharmaBharat Tools

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CDISC Controlled Terminology ISO 8601 Date Format Partial Date Handling Unit Harmonization Unknown Value Convention (Practice Note 102)Unknown Value Convention (Practice Note 112)Unknown Value Convention (Practice Note 12)Unknown Value Convention (Practice Note 122)Unknown Value Convention (Practice Note 132)Unknown Value Convention (Practice Note 142)Unknown Value Convention (Practice Note 2)Unknown Value Convention (Practice Note 22)Unknown Value Convention (Practice Note 32)Unknown Value Convention (Practice Note 42)Unknown Value Convention (Practice Note 52)Unknown Value Convention (Practice Note 62)Unknown Value Convention (Practice Note 72)Unknown Value Convention (Practice Note 82)Unknown Value Convention (Practice Note 92)Visit Naming Convention

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CDM Standards (CDISC / Controlled Terms)Unknown Value Convention (Practice Note 82)

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Unknown Value Convention (Practice Note 72)Unknown Value Convention (Practice Note 92)

Unknown Value Convention (Practice Note 82)

Standards (CDISC / Controlled Terms)

Definition

Standard approach for unknown/not done values to support consistent analysis.

Example

Applied to improve repeatability and reduce rework.

Common mistakes

Implementing without communicating to sites and stakeholders.

Inspector question

How do you standardize and document this across studies?

cdmpractice