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Laboratory Test Results (LB) is a findings domain used for laboratory test data, for tests and measurements performed on collected biological specimens. The LB domain includes but is not limited to hematology, clinical chemistry, and urinalysis data. The LB domain does not include pharmacokinetic data, Pharmacokinetic ; pharmacokinetic concentrations are represented in the PC domain and pharmacokinetic parameters are represented in the PK domain.  

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In this scenario, subject specimens are taken at the site and sent out for processing. Results are provided in an electronic file; the applicant has chosen to collect reconciliation data (e.g., LBDAT, LBTIM, VISITNUM, LBREFID) on the CRF. This scenario may also apply if the central lab results are imported into an applicant's electronic data collection ( EDC ) system. The fields for test results are not defined here, as these data are not part of the CRF.

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