HL7 Terminology (THO)
5.5.0 - Publication International flag

This page is part of the HL7 Terminology (v5.5.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

CodeSystem: auto-DilutionType

Official URL: http://terminology.hl7.org/CodeSystem/v2-0945 Version: 2.0.0
Active as of 2019-12-01 Responsible: Health Level Seven International Computable Name: AutoDilutionType
Other Identifiers: urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#urn:oid:2.16.840.1.113883.18.445

Copyright/Legal: This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license

Code system of vendor-defined codes that specify the pre‑configured dilution to be applied on the instrument, which can be used instead of a numeric declaration. Used in Version 2 messaging in the TCD segment.

Underlying Master Code System for V2 table 0945 (Auto-Dilution Type)

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


This code system defines the following properties for its concepts

statushttp://terminology.hl7.org/CodeSystem/utg-concept-properties#statuscodeStatus of the concept
deprecatedhttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecatedcodeVersion of HL7 in which the code was deprecated
HL7usageNoteshttp://terminology.hl7.org/CodeSystem/utg-concept-properties#HL7usageNotesstringHL7 Concept Usage Notes


This case-sensitive code system http://terminology.hl7.org/CodeSystem/v2-0945 defines the following codes in a Is-A heirarchy:

CodeDisplayDefinitionHL7 Concept Usage Notes
X2 Dilution factor 2Specimen pre-diluted by factor 2 applied on the instrumentcorresponds to ^1^:^2 in TCD-2
X5 Dilution factor 5Specimen pre-diluted by factor 5 applied on the instrumentcorresponds to ^1^:^5 in TCD-2
D1 Dilution factor 1.23Specimen pre-diluted by factor 1.23 applied on the instrumentcorresponds to ^1^:^1.23 in TCD-2
D2 Dilution factor 1.45Specimen pre-diluted by factor 1.45 applied on the instrumentcorresponds to ^1^:^1.45 in TCD-2


2023-11-14reviseTSMGMarc DuteauAdd standard copyright and contact to internal content; up-476
2020-05-06reviseVocabulary WGTed KleinMigrated to the UTG maintenance environment and publishing tooling.