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OBX - Observation Segment (OBX)

Global Profile (Differential)
Seq#Data ElementDescriptionFlagsImplementVocabulary
OBX
300571Observation Identifier SHALLObservationIdentifier (CD)
Global Profile (Snapshot)
Seq#Data ElementDescriptionFlagsImplementCardinalityVocabularyData Type
OBX
100569Set ID - OBX MAY[0..1]
SI

Sequence ID


200570Value Type
C

Condition defined for this element

MAY[0..1]univ: ValueType (CD) hl7VS-valueType (VS)
ID

Coded Value for HL7 Defined Tables

300571Observation Identifier SHALL[1..1]ObservationIdentifier (CD)
CWE

Coded with Exceptions


400572Observation Sub-ID
C

Condition defined for this element

=

Truncation not allowed!

MAY[0..1]
OG

OG


500573Observation Value
C

Condition defined for this element

MAY[0..*]
varies

variable data type

600574Units MAY[0..1]Units (CD)
CWE

Coded with Exceptions

700575Reference Range
=

Truncation not allowed!

MAY[0..1]
ST

String Data

800576Interpretation Codes MAY[0..*]univ: InterpretationCodes (CD)
CWE

Coded with Exceptions

900577Probability
=

Truncation allowed.

MAY[0..1]
NM

Numeric

1000578Nature of Abnormal Test MAY[0..*]univ: NatureOfAbnormalTesting (CD) hl7VS-natureOfAbnormalTesting (VS) natureOfAbnormalTesting (CS)
ID

Coded Value for HL7 Defined Tables

1100579Observation Result Status SHALL[1..1]univ: ObservationResultStatusCodesInterpretation (CD) hl7VS-observationResultStatus (VS) observationResultStatusCodesInterpretation (CS)
ID

Coded Value for HL7 Defined Tables

1200580Effective Date of Reference Range MAY[0..1]
DTM

Date/Time

1300581User Defined Access Checks
=

Truncation not allowed!

MAY[0..1]
ST

String Data

1400582Date/Time of the Observation MAY[0..1]
DTM

Date/Time

1500583Producer's ID
B

backward compatible use only

SHOULD NOT Producer'sID (CD)
CWE

Coded with Exceptions

1600584Responsible Observer
B

backward compatible use only

SHOULD NOT 
XCN

Extended Composite ID Number and Name for Persons

1700936Observation Method MAY[0..*]ObservationMethod (CD)
CWE

Coded with Exceptions

1801479Equipment Instance Identifier
B

backward compatible use only

SHOULD NOT 
EI

Entity Identifier

1901480Date/Time of the Analysis MAY[0..1]
DTM

Date/Time

2002179Observation Site MAY[0..*]univ: BodySite (CD) hl7VS-administriveSite (VS) bodySite (CS)
CWE

Coded with Exceptions

2102180Observation Instance Identifier MAY[0..1]
EI

Entity Identifier


2202182Mood Code
C

Condition defined for this element

MAY[0..1]univ: MoodCodes (CD) hl7VS-moodCodes (VS) actMood (CS)
CNE

Coded with No Exceptions

2302283Performing Organization Name
B

backward compatible use only

SHOULD NOT 
XON

Extended Composite Name and Identification Number for Organizations

2402284Performing Organization Address
B

backward compatible use only

SHOULD NOT 
XAD

Extended Address

2502285Performing Organization Medical Director
B

backward compatible use only

SHOULD NOT 
XCN

Extended Composite ID Number and Name for Persons

2602313Patient Results Release Category MAY[0..1]univ: PatientResultsReleaseCategorizationScheme (CD) hl7VS-patientResultsReleaseCategorizationScheme (VS) patientResultsReleaseCategorizationScheme (CS)
ID

Coded Value for HL7 Defined Tables

2703308Root Cause MAY[0..1]ex.:RootCause (CD) hl7VS-rootCause (VS) rootCause (CS)
CWE

Coded with Exceptions

2803309Local Process Control MAY[0..*]ProcessControlCode (CD)
CWE

Coded with Exceptions

2903432Observation Type MAY[0..1]univ: V2ObservationType (CD) hl7VS-VS-observationType (VS) observationType (CS)
ID

Coded Value for HL7 Defined Tables

3003475Observation Sub-Type MAY[0..1]univ: ObservationSub-type (CD) hl7VS-VS-observationSubtype (VS) observationSubtype (CS)
ID

Coded Value for HL7 Defined Tables

3100816Action Code MAY[0..1]univ: SegmentActionCode (CD) hl7VS-segmentActionCode (VS) segmentAction (CS)
ID

Coded Value for HL7 Defined Tables


3203510Observation Value Absent Reason
C

Condition defined for this element

MAY[0..*]
CWE

Coded with Exceptions

3302454Observation Related Specimen Identifier MAY[0..*]
EIP

Entity Identifier Pair