HL7 v2.5.1 Specificationsv2.5.1

to moveEnter to openTry PID-5, ADT, 0004

NST segment

The NST segment allows application control-level statistical information to be passed between the various systems on the network. Some fields in this segment refer to portions of lower level protocols; they contain information that can be used by application management applications monitoring the state of various network links. Usage Notes: Fields 2-15. These are all marked optional since the statistics kept on a particular link and negotiated between the two systems in question will vary. Not all values will apply to each system. Some

The shape of one line

segmentNST|NST-1Statistics Available|NST-2Source Identifier|NST-3Source Type|NST-4Statistics Start|NST-5Statistics End|NST-6Receive Character Count|NST-7Send Character Count|NST-8Messages Received|NST-9Messages Sent|NST-10Checksum Errors Received| …5 more

required kept for older systems, still counted

Count the pipes to find a field, and count the empty ones too: an empty field still holds its place.

This page carries the NST 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 NST.

Every field

SEQLENDTOPTRP/#TBL#ITEM#Element nameCardinality
NST-11IDR013601173Statistics Available1..1
NST-230STU01174Source Identifier0..1
NST-33IDU033201175Source Type0..1
26TSU01176Statistics Start0..1

NST-4 is a TS, which holds 2 components separated by carets.

SEQLENDTOPTTBL#Component name
TS.124DTMRTime
TS.21IDB0529Degree of Precision
26TSU01177Statistics End0..1

NST-5 is a TS, which holds 2 components separated by carets.

SEQLENDTOPTTBL#Component name
TS.124DTMRTime
TS.21IDB0529Degree of Precision
NST-610NMU01178Receive Character Count0..1
NST-710NMU01179Send Character Count0..1
NST-810NMU01180Messages Received0..1
NST-910NMU01181Messages Sent0..1
NST-1010NMU01182Checksum Errors Received0..1
NST-1110NMU01183Length Errors Received0..1
NST-1210NMU01184Other Errors Received0..1
NST-1310NMU01185Connect Timeouts0..1
NST-1410NMU01186Receive Timeouts0..1
NST-1510NMU01187Application control-level Errors0..1

Message types carrying NST

NST appears in 3 message structures, belonging to 3 message types.