---
oid: "2.16.840.1.113883.6"
asn1-notation: "{joint-iso-itu-t(2) country(16) us(840) organization(1) hl7(113883) externalCodeSystems(6)}"
description: "External coding systems registered in Health Level 7 (HL7)"
last-modified: "2025-12-02"
tags: [oid-repository]
---

## OID: `2.16.840.1.113883.6`

```asn1
{joint-iso-itu-t(2) country(16) us(840) organization(1) hl7(113883) externalCodeSystems(6)}
```

### Description

External coding systems registered in Health Level 7 (HL7)

**Classification**: Healthcare

### Child OIDs

There are 254 child OIDs.
- [OID `2.16.840.1.113883.6.1`](https://oid-base.com/get-md/2.16.840.1.113883.6.1): `1`
- ... *(252 additional child OIDs omitted)*
- [OID `2.16.840.1.113883.6.349`](https://oid-base.com/get-md/2.16.840.1.113883.6.349): `349`

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