OM4 - Observations that Require Specimens (HL7 v2.6)
Versions: v2.3 v2.3.1 v2.4 v2.5.1 v2.6 v2.7.1
The OM4 segment (Observations that Require Specimens) has 14 fields in HL7 v2.6. Fields are addressed as
OM4-n; composite fields break into components OM4-n.m. Paste a message into the
parser to see every field annotated with this table.
| # | Name | Type | Len | Opt | Repeats | Table |
|---|---|---|---|---|---|---|
| 1 | Sequence Number - Test/Observation Master File | NM | 4 | Optional | No | |
| 2 | Derived Specimen | ID | 1 | Optional | No | 0170 |
| 3 | Container Description | TX | 60 | Optional | No | |
| 4 | Container Volume | NM | 20 | Optional | No | |
| 5 | Container Units | CWE | 250 | Optional | No | |
| 6 | Specimen | CWE | 250 | Optional | No | |
| 7 | Additive | CWE | 250 | Optional | No | 0371 |
| 8 | Preparation | TX | 10240 | Optional | No | |
| 9 | Special Handling Requirements | TX | 10240 | Optional | No | |
| 10 | Normal Collection Volume | CQ | 20 | Optional | No | |
| 11 | Minimum Collection Volume | CQ | 20 | Optional | No | |
| 12 | Specimen Requirements | TX | 10240 | Optional | No | |
| 13 | Specimen Priorities | ID | 1 | Optional | Yes | 0027 |
| 14 | Specimen Retention Time | CQ | 20 | Optional | No |