HL7 v2.8 Vocabulary
0.1.0 - ci-build

HL7 v2.8 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.v28/ and changes regularly. See the Directory of published versions

CodeSystem: Root Cause (2.8 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/rootCause Version: 1.0.0
Active as of 2026-01-27 Computable Name: RootCause
Other Identifiers: OID:2.16.840.1.113883.18.421

Copyright/Legal: HL7 Inc., 2026

Code system of concepts specifying the root cause. Used in HL7 Version 2.x messaging in the OBX segment.

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

NameCodeURITypeDescription
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/rootCause defines the following codes:

CodeDisplayDefinitionversionIntroducedusagemodified
AP Analysis Process Analysis Process 2.8 Enter (AP) when ANALYSIS PROCESS is the reason due to: • Product or supply failure (reagents, calibrators, QC material) • Equipment or instrumentation failure 2016-10-16
IM Information Management Information Management 2.8 Enter (IM) when INFORMATION MANAGEMENT is the reason due to: • Database or Programming issues • Overriding of test results • Inaccurate calculations • Inaccurate flagging, reference ranges, units of measure • Incomplete/inaccurate transmission of test results • Other 2016-10-16
L Laboratory Laboratory 2.8 Enter (L) when LABORATORY is the reason due to: • Data Entry error • Testing/Technical error • Repeat testing causing change to test result 2016-10-16
NA Not Applicable Not Applicable 2.8 Enter (NA) when NOT-APPLICABLE is the reason due to: • If no revisions performed or • unable to determine reason for revision Note: Do not use NA if result code status is not corrected (revised) or if a preliminary release of results with a correction (revision) 2016-10-16
PD Placer Data Placer Data 2.8 Enter (PD) when new or changed PLACER DATA information is the reason due to: • Changed patient demographics or • Result code data provided by the client on the requisition or specimen manifest that will be entered during order entry (i.e. Previous Biopsy Date, Clinical Information, Source, etc...) 2016-10-16