HL7 v2.5.1 Specificationsv2.5.1

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OM5 segment

The Technical Steward for the OM5 segment is ORDERS. This segment contains the information about batteries and supersets (a nature code of F, P or S, as described in OM1-18 - Nature of Service/Test/Observation).

The shape of one line

segmentOM5|OM5-1Sequence Number -…|OM5-2Test/Observations…|OM5-3Observation ID Suffixes

optional

Count the pipes to find a field, and count the empty ones too: an empty field still holds its place. Leave out the separator before OM5-2 and its value arrives as OM5-1, so the receiver stores Test/Observations Included within an Ordered Test Battery as Sequence Number - Test/Observation Master File.

This page carries the OM5 field table as published and nothing beyond it. The field notes, vendor behaviour, FHIR mapping and parsing guidance that thePID page has are still to be written for OM5.

Every field

SEQLENDTOPTRP/#TBL#ITEM#Element nameCardinality
OM5-14NMO00586Sequence Number - Test/Observation Master File0..1
250CEOY999900655Test/Observations Included within an Ordered Test Battery0..*

OM5-2 is a CE, which holds 6 components separated by carets.

SEQLENDTOPTTBL#Component name
CE.120STOIdentifier
CE.2199STOText
CE.320IDO0396Name of Coding System
CE.420STOAlternate Identifier
CE.5199STOAlternate Text
CE.620IDO0396Name of Alternate Coding System
OM5-3250STO00656Observation ID Suffixes0..1

Message types carrying OM5

OM5 appears in 1 message structure, belonging to 1 message type.