HL7 v2.9 Vocabulary
0.1.0 - ci-build

HL7 v2.9 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.v29/ and changes regularly. See the Directory of published versions

## CodeSystem: Master File Identifier Code (2.9 - 1.3.1) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/masterFileIdentifierCodes | Version: 1.3.1
Active as of 2026-01-27 | Computable Name: MasterFileIdentifierCodes
Other Identifiers: OID:2.16.840.1.113883.18.460
Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts which are represented by codes identifying HL7 Versions 2.x Master Files. Used in HL7 Version 2.x messaging in the MFI segment.

This Code system is referenced in the content logical definition of the following value sets:

- Hl7VSmasterFileIdentifierCode

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/masterFileIdentifierCodes` defines the following codes:

Code | Display | Definition | versionIntroduced | comment | modified | Deutsch (German, de)
CDM | Charge description master file | Charge description master file | 2.2 |  | 2015-07-13 | Leistungskatalog
CLN | Clinic master file | Clinic master file | 2.4 |  | 2015-07-13 | Klinikkatalog
CMA | Clinical study with phases and scheduled master file | Clinical study with phases and scheduled master file | 2.3.1 |  | 2015-07-13 |
CMB | Clinical study without phases but with scheduled master file | Clinical study without phases but with scheduled master file | 2.3.1 |  | 2015-07-13 |
INV | Inventory master file | Inventory master file | 2.5 |  | 2015-07-13 |
LOC | Location master file | Location master file | 2.3 |  | 2015-07-13 |
MACP | Medicare Approved Coverage Process | Medicare Approved Coverage Process | 2.8.2 | This identifies Universal Service Identifier that are approved for an ICD based on the CPT. | 2015-07-13 |
MLCP | Medicare Limited Coverage Process | Medicare Limited Coverage Process | 2.8.2 | This identifies Universal Service Identifiers that are not approved for a CPT code based on an ICD. | 2015-07-13 |
OMA | Numerical observation master file | Numerical observation master file | 2.3.1 |  | 2015-07-13 |
OMB | Categorical observation master file | Categorical observation master file | 2.3.1 |  | 2015-07-13 |
OMC | Observation batteries master file | Observation batteries master file | 2.3.1 |  | 2015-07-13 |
OMD | Calculated observations master file | Calculated observations master file | 2.3.1 |  | 2015-07-13 |
OME | Other Observation/Service Item master file | Other Observation/Service Item master file | 2.4 |  | 2015-07-13 |
OMM | Mixed type observation master file | Mixed type observation master file | 2.8.2 |  | 2015-07-13 |
PRA | Practitioner master file | Practitioner master file | 2.2 |  | 2015-07-13 | Ärztekatalog
STF | Staff master file | Staff master file | 2.2 |  | 2015-07-13 | Mitarbeiterkatalog