---
oid: "2.16.840.1.113883.4.2"
description: "United States Individual Taxpayer Identification Number (ITIN)"
last-modified: "2017-04-04"
parent-oid: "2.16.840.1.113883.4"
---

## OID: `2.16.840.1.113883.4.2`

```asn1
{joint-iso-itu-t(2) country(16) us(840) organization(1) hl7(113883) commonPublicNamespaces(4) itin(2)}
```

### Description

United States Individual Taxpayer Identification Number (ITIN)

**Classification:** Healthcare; Identification scheme

### Supplementary information

An ITIN is assigned by the U.S. Internal Revenue Service (IRS) to alien taxpayers not eligible to a social security number. ITIN are used as drop-ins for Social Security Numbers.

### Child OIDs

No child OID

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