---
oid: "2.16.840.1.113883.18"
description: "Version 2.x code systems"
last-modified: "2017-10-03"
parent-oid: "2.16.840.1.113883"
---

## OID: `2.16.840.1.113883.18`

```asn1
{joint-iso-itu-t(2) country(16) us(840) organization(1) hl7(113883) 18}
```

### Description

Version 2.x code systems

### Supplementary information

Child OIDs identify registered Code Systems that hold the defined and published table content from the Health Level 7 (HL7) Version 2 family of standards, as originally published as tables.

### Registrant

Name: HL7 International
Address: 3300 Washtenaw Avenue, Suite 227   
Ann Arbor, MI 48104   
United States (the)
Phone: +1 734 677 7777

### Child OIDs

There are 443 child OIDs.
- `2.16.840.1.113883.18.1`: `1`
- (... 441 unlisted child OIDs ...)
- `2.16.840.1.113883.18.451`: `451`

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