OMLO21 Laboratory order (2.6)
This is the standard HL7 v2.6 spec, with 13 loops and 47 segment positions, as OpenEDI JSON, an ediFabric C# template and an ediFabric Native model. To change it for a trading partner, customize it in the EDI Spec Builder.
Use the OMLO21 spec in your code
ediFabric .NET
Add the C# template and its common files to your project, or reference the template NuGet package, and read OMLO21 files into TSOMLO21 objects. See ediFabric .NET.
ediFabric Native
Native supports X12 today, and HL7 is coming. When it's available, map version 2.6 to this Native model with set_map to parse OMLO21 files to JSON from Python, Java, C or C#. See ediFabric Native.
OpenEDI
Select Customize in Spec Builder to copy the spec under your own name, change it for your partner, and parse files against it in EdiNation, ediFabric Native or ediFabric Cloud. Read about OpenEDI.
Generate OMLO21 classes in Python, Java, Node.js, Go, Rust or C
The OpenEDI file describes each OMLO21 as JSON. To work with OMLO21 data as typed objects, generate classes from the OpenEDI file in your language; the root class is TSOMLO21. The classes keep the loops, segments, lengths and code lists, but not the EDI data formats. Read more in Generate a class from OpenEDI.
Python: datamodel-code-generator. Node.js: openapi-typescript. Java, Go, Rust and C: OpenAPI Generator.
OMLO21 structure
Loops and segments of the standard OMLO21, with their usage and maximum repeats.
| ID | Name | Usage | Max use |
|---|---|---|---|
| MSH | Message Header | Mandatory | 1 |
| SFT | Software Segment | Optional | >1 |
| UAC | User Authentication Credential Segment | Optional | 1 |
| NTE | Notes And Comments | Optional | >1 |
| Loop PID | Patient Identification | Optional | 1 |
| PID | Patient Identification | Mandatory | 1 |
| PD1 | Patient Additional Demographic | Optional | 1 |
| NTE | Notes And Comments | Optional | >1 |
| NK1 | Next Of Kin Associated Parties | Optional | >1 |
| Loop PV1 | Patient Visit | Optional | 1 |
| PV1 | Patient Visit | Mandatory | 1 |
| PV2 | Patient Visit Additional Information | Optional | 1 |
| Loop IN1 | Insurance | Optional | >1 |
| IN1 | Insurance | Mandatory | 1 |
| IN2 | Insurance Additional Information | Optional | 1 |
| IN3 | Insurance Additional Information Certification | Optional | 1 |
| GT1 | Guarantor | Optional | 1 |
| AL1 | Patient Allergy Information | Optional | >1 |
| Loop ORC | Common Order | Mandatory | >1 |
| ORC | Common Order | Mandatory | 1 |
| Loop TQ1 | Timing Quantity | Optional | >1 |
| TQ1 | Timing Quantity | Mandatory | 1 |
| TQ2 | Timing Quantity Relationship | Optional | >1 |
| Loop OBR | Observation Request | Optional | 1 |
| OBR | Observation Request | Mandatory | 1 |
| TCD | Test Code Detail | Optional | 1 |
| NTE | Notes And Comments | Optional | >1 |
| ROL | Role | Optional | >1 |
| CTD | Contact Data | Optional | 1 |
| DG1 | Diagnosis | Optional | >1 |
| Loop OBX | Observation Result | Optional | >1 |
| OBX | Observation Result | Mandatory | 1 |
| TCD | Test Code Detail | Optional | 1 |
| NTE | Notes And Comments | Optional | >1 |
| Loop SPM | Specimen | Optional | >1 |
| SPM | Specimen | Mandatory | 1 |
| OBX | Observation Result | Optional | >1 |
| Loop SAC | Specimen Container Detail | Optional | >1 |
| SAC | Specimen Container Detail | Mandatory | 1 |
| OBX | Observation Result | Optional | >1 |
| Loop PID | Patient Identification | Optional | 1 |
| PID | Patient Identification | Mandatory | 1 |
| PD1 | Patient Additional Demographic | Optional | 1 |
| Loop PV1 | Patient Visit | Optional | 1 |
| PV1 | Patient Visit | Mandatory | 1 |
| PV2 | Patient Visit Additional Information | Optional | 1 |
| AL1 | Patient Allergy Information | Optional | >1 |
| ORC | Common Order | Optional | 1 |
| OBR | Observation Request | Mandatory | 1 |
| NTE | Notes And Comments | Optional | >1 |
| ROL | Role | Optional | >1 |
| Loop TQ1 | Timing Quantity | Optional | >1 |
| TQ1 | Timing Quantity | Mandatory | 1 |
| TQ2 | Timing Quantity Relationship | Optional | >1 |
| Loop OBX | Observation Result | Mandatory | >1 |
| OBX | Observation Result | Mandatory | 1 |
| NTE | Notes And Comments | Optional | >1 |
| FT1 | Financial Transaction | Optional | >1 |
| CTI | Clinical Trial Identification | Optional | >1 |
| BLG | Billing | Optional | 1 |