03312
Preferred Specimen/Attribture Sequence ID
2014-03-17
Definition: This field contains the value of the sequence number of the Preferred Specimen that these specimens are the alternative for. Note: For the preferred specimen (i.e., OM4-16 = "P"), this field is not populated. This field is used by the Alternate Specimen (i.e., OM4-16 = "A") to point to the preferred specimen that it is to replace or be used as an alternative.
Example: