HL7 v2.5.1 Specificationsv2.5.1

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CM2 segment

The Technical Steward for the CM2 segment is ORDERS.

The shape of one line

segmentCM2|CM2-1Set ID - CM2|CM2-2Scheduled Time Point|CM2-3Description of Time…|CM2-4Events Scheduled This…

required 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 CM2-3 and its value arrives as CM2-2, so the receiver stores Description of Time Point as Scheduled Time Point.

This page carries the CM2 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 CM2.

Every field

SEQLENDTOPTRP/#TBL#ITEM#Element nameCardinality
CM2-14SIO01024Set ID - CM20..1
250CER01025Scheduled Time Point1..1

CM2-2 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
CM2-3300STO01026Description of Time Point0..1
250CERY/20 001027Events Scheduled This Time Point1..200

CM2-4 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

Message types carrying CM2

CM2 appears in 4 message structures, belonging to 2 message types.