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BSTLTP
Time since last blood stool test (unspecified type): Time period

Codes and Frequencies



An 'X' indicates the category is available for that sample

0NIUXX
1DaysXX
2WeeksXX
3MonthsXX
4YearsXX
7Unknown-refused··
8Unknown-not ascertainedX·
9Unknown-don't knowXX