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Programmer’s Guide WACS outbound HL7 protocols 17

Labels and attributes of outbound segments

The following table defines requirement labels for outbound segments.

HL7 attributes of OBR (observation request) segments

Table 7. Requirement labels for outbound segments

Label Requirement Description

R Required Causes an error condition if missing

O Optional May be used by WACS/CIS if present

C Conditionally Required May cause an error condition if missing; dependent on other factors or fields

N Not used Causes an error condition if present

I Ignored Not used, whether present or missing

F Future Not used, whether present or missing

Table 8. HL7 attributes – OBR – observation request segment

SEQ LEN DT OPT RP# TBL# Item # Element name WACS

requirement

1 4 SI O 00237 Set ID - OBR R

2 22 EI C 00216 Placer Order Number C

3 22 EI C 00217 Filler Order Number N

4 250 CE R 00238 Universal Service Identifier R

5 2 ID X 00239 Priority - OBR N

6 26 TS X 00240 Requested Date/Time R

7 26 TS C 00241 Observation Date/Time N

8 26 TS O 00242 Observation End Date/Time N

9 20 CQ O 00243 Collection Volume N

10 250 XCN O Y 00244 Collector Identifier N

11 1 ID O 0065 00245 Specimen Action Code N

12 250 CE O 00246 Danger Code N

13 300 ST O 00247 Relevant Clinical Information N

14 26 TS C 00248 Specimen Received Date/Time N

15 300 CM O 0070 00249 Specimen Source N

16 250 XCN O Y 00226 Ordering Provider N

17 250 XTN O Y/2 00250 Order Callback Phone Number N

18 60 ST O 00251 Placer Field 1 N

19 60 ST O 00252 Placer Field 2 N

20 60 ST O 00253 Filler Field 1 N

21 60 ST O 00254 Filler FIeld 2 N

22 26 TS C 00255 Results Rpt/Status Chng -

Date/Time

23 40 CM O 00256 Charge to Practice N

24 10 ID O 0074 00257 Diagnostic Serv Sect ID N

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 63 64

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