OM3 - Categorical test/observation (HL7 v2.3)
Versions: v2.3 v2.3.1 v2.4 v2.5.1 v2.6 v2.7.1
The OM3 segment (Categorical test/observation) has 7 fields in HL7 v2.3. Fields are addressed as
OM3-n; composite fields break into components OM3-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 | Preferred Coding System | CE | 60 | Optional | No | |
| 3 | Valid Coded "Answers" | CE | 60 | Optional | No | |
| 4 | Normal Text/Codes for Categorical Observations | CE | 200 | Optional | Yes | |
| 5 | Abnormal Text/Codes for Categorical Observations | CE | 200 | Optional | No | |
| 6 | Critical Text Codes for Categorical Observations | CE | 200 | Optional | No | |
| 7 | Value Type | ID | 2 | Required | No | 0125 |