HL7 v2.5.1 Vocabulary
0.1.0 - ci-build
HL7 v2.5.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v251/ and changes regularly. See the Directory of published versions
| Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/checkDigitScheme | Version: 1.2.0 | |||
| Active as of 2026-01-27 | Computable Name: CheckDigitScheme | |||
| Other Identifiers: OID:2.16.840.1.113883.18.22 | ||||
Copyright/Legal: HL7 Inc., 2026 |
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HL7-defined code system of concepts specifying the check digit scheme employed. Used in HL7 Version 2.x messaging in PPN, XCN and XON segments.
This Code system is referenced in the content logical definition of the following value sets:
Properties
This code system defines the following properties for its concepts
| Name | Code | URI | Type | Description |
| versionIntroduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced |
| versionDeprecated | versionDeprecated | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated | string | version when was this code deprecated |
| status | status | http://hl7.org/fhir/concept-properties#status | code | A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired |
| comment | comment | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment | string | A string that provides additional detail pertinent to the use or understanding of the concept |
| usage | usage | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage | string | usage notes for this code |
| modified | modified | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified | dateTime | date of last modification |
Concepts
This case-sensitive code system http://terminology.hl7.org/v2plusvocab/CodeSystem/checkDigitScheme defines the following codes: