PMTESTCD | Test Short Name | Char | (PHSPRPCD) | Topic | Short name of the measurement, test, or examination described in PMTEST. It can be used as a column name when converting a dataset from a vertical to a horizontal format. The value in PMTESTCD cannot be longer than 8 characters, nor can it start with a number (e.g., "1TEST" is not valid). PMTESTCD cannot contain characters other than letters, numbers, or underscores. | Req |