| Allowable Values | | -8 | No data transmitted from centers |
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| -9 | Failed or equivocal MLPA result or failed sequencing result |
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| 1 | One or more MMR gene (MLH1, MSH2, MSH6, PMS2, EPCAM) has been tested for a germline mutation (by any method) and no deleterious/pathogenic mutation was found |
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| 2 | One or more MMR gene (MLH1, MSH2, MSH6, PMS2, EPCAM) has been tested for a germline mutation (by any method) and one or more deleterious/pathogenic mutation was found (positive for Lynch syndrome) |
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This special value check will pass under the following conditions: C_DEL_MMR in {-8,-9,1,2} |
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