| FILE | 
391.91 | 
| NAME | 
AKEY2 | 
| DESCRIPTION | 
This cross-reference will facilitate finding a specific unique identifier 
by PATIENT and ASSIGNING AUTHORITY when only those data fields are 
present, for example for a National Health Information Exchange (NHIE) 
location.
 
 | 
| SHORT DESCRIPTION | 
Lookup by PATIENT and ASSIGNING AUTHORITY. | 
| TYPE | 
REGULAR | 
| EXECUTION | 
RECORD | 
| ACTIVITY | 
IR | 
| USE | 
SORTING ONLY | 
| ROOT TYPE | 
INDEX FILE | 
| ROOT FILE | 
391.91 | 
| SET LOGIC | 
S ^DGCN(391.91,"AKEY2",$E(X(1),1,150),$E(X(2),1,70),DA)="" | 
| CROSS-REFERENCE VALUES | 
- 
- ORDER NUMBER:    1
 
- SUBSCRIPT NUMBER:    1
 
- TYPE OF VALUE:    FIELD
 
- FILE:    391.91
 
- FIELD:    .01
 
- MAXIMUM LENGTH:    150
 
- COLLATION:    forwards
 
 
- 
- ORDER NUMBER:    2
 
- SUBSCRIPT NUMBER:    2
 
- TYPE OF VALUE:    FIELD
 
- FILE:    391.91
 
- FIELD:    10
 
- MAXIMUM LENGTH:    70
 
- COLLATION:    forwards
 
 
 
 | 
| KILL LOGIC | 
K ^DGCN(391.91,"AKEY2",$E(X(1),1,150),$E(X(2),1,70),DA) | 
| KILL ENTIRE INDEX CODE | 
K ^DGCN(391.91,"AKEY2") |