00105

Patient ID (External ID)

1995-11-25
Components: <patient ID (ST)> ^ <check digit (NM)> ^ <check digit scheme (ID)> ^ <assigning facility ID (ST)>

Definition: if the patient is from another institution, outside office, etc., the identifier used by that institution can be shown here. This may be a number which multiple disparate corporations or facilities share. Refer to table 0061 - check digit scheme in Chapter 2.

Length≤16
4 components
1O-Patient ID
2O-Check digit
3O-Check digit scheme
4O-Facility ID