visit the hl7 website The Demo site for our new HL7 Version 2+ (plus) Standard

OM1 - General Segment (Fields That Apply to Most O (OM1)

Global Profile (Differential)
Seq#Data ElementDescriptionFlagsImplementVocabulary
OM1
100586Sequence Number - Test/Observation Master File
=

Truncation not allowed!

SHALL
200587Producer's Service/Test/Observation ID SHALL
500590Producer ID SHALLProducerID (CD)
1800603Nature of Service/Test/Observation SHALLex.:NatureOfService_Test_Observation (CD) hl7VS-natureOfServiceTestObservation (VS) natureOfServiceTestObservation (CS)
Global Profile (Snapshot)
Seq#Data ElementDescriptionFlagsImplementCardinalityVocabularyData Type
OM1
100586Sequence Number - Test/Observation Master File
=

Truncation not allowed!

SHALL[1..1]
NM

Numeric

200587Producer's Service/Test/Observation ID SHALL[1..1]
CWE

Coded with Exceptions

300588Permitted Data Types MAY[0..*]univ: ValueType (CD) hl7VS-valueType (VS)
ID

Coded Value for HL7 Defined Tables

400589Specimen Required SHALL[1..1]univ: Yes/noIndicator (CD) hl7VS-yes-no-Indicator (VS) expandedYes-NoIndicator (CS)
ID

Coded Value for HL7 Defined Tables

500590Producer ID SHALL[1..1]ProducerID (CD)
CWE

Coded with Exceptions

600591Observation Description
=

Truncation allowed.

MAY[0..1]
TX

Text Data

700592Other Service/Test/Observation IDs for the Observation MAY[0..*]OtherService/Test/ObservationIDsfortheObservation (CD)
CWE

Coded with Exceptions

800593Other Names
B

backward compatible use only

=

Truncation allowed.

SHOULD NOT 
ST

String Data

900594Preferred Report Name for the Observation
=

Truncation allowed.

MAY[0..1]
ST

String Data

1000595Preferred Short Name or Mnemonic for the Observation MAY[0..1]
ST

String Data

1100596Preferred Long Name for the Observation
=

Truncation not allowed!

MAY[0..1]
ST

String Data

1200597Orderability MAY[0..1]univ: Yes/noIndicator (CD) hl7VS-yes-no-Indicator (VS) expandedYes-NoIndicator (CS)
ID

Coded Value for HL7 Defined Tables

1300598Identity of Instrument Used to Perform this Study MAY[0..*]IdentityofInstrumentUsedtoPerformthisStudy (CD)
CWE

Coded with Exceptions

1400599Coded Representation of Method MAY[0..*]CodedRepresentationofMethod (CD)
CWE

Coded with Exceptions

1500600Portable Device Indicator MAY[0..1]univ: Yes/noIndicator (CD) hl7VS-yes-no-Indicator (VS) expandedYes-NoIndicator (CS)
ID

Coded Value for HL7 Defined Tables

1600601Observation Producing Department/Section
B

backward compatible use only

SHOULD NOT ObservationProducingDepartment/Section (CD)
CWE

Coded with Exceptions

1700602Telephone Number of Section
B

backward compatible use only

SHOULD NOT 
XTN

Extended Telecommunication Number

1800603Nature of Service/Test/Observation SHALL[1..1]ex.:NatureOfService_Test_Observation (CD) hl7VS-natureOfServiceTestObservation (VS) natureOfServiceTestObservation (CS)
CWE

Coded with Exceptions

1900604Report Subheader MAY[0..1]ReportSubheader (CD)
CWE

Coded with Exceptions

2000605Report Display Order
=

Truncation not allowed!

MAY[0..1]
ST

String Data

2100606Date/Time Stamp for Any Change in Definition for the Observation MAY[0..1]
DTM

Date/Time

2200607Effective Date/Time of Change MAY[0..1]
DTM

Date/Time

2300608Typical Turn-Around Time
B

backward compatible use only

SHOULD NOT 
NM

Numeric

2400609Processing Time MAY[0..1]
NM

Numeric

2500610Processing Priority MAY[0..*]univ: ProcessingPriority (CD) hl7VS-processingPriority (VS) processingPriority (CS)
ID

Coded Value for HL7 Defined Tables

2600611Reporting Priority MAY[0..1]univ: ReportingPriority (CD) hl7VS-reportingPriority (VS) reportingPriority (CS)
ID

Coded Value for HL7 Defined Tables

2700612Outside Site(s) Where Observation May Be Performed
B

backward compatible use only

SHOULD NOT OutsideSite(s)WhereObservationMayBePerformed (CD)
CWE

Coded with Exceptions

2800613Address of Outside Site(s)
B

backward compatible use only

SHOULD NOT 
XAD

Extended Address

2900614Phone Number of Outside Site
B

backward compatible use only

SHOULD NOT 
XTN

Extended Telecommunication Number

3000615Confidentiality Code MAY[0..1]ex.:ConfidentialityCode (CD) hl7VS-confidentialityCode (VS) confidentialityCodes (CS)
CWE

Coded with Exceptions

3100616Observations Required to Interpret this Observation
B

backward compatible use only

SHOULD NOT ObservationsRequiredtoInterpretthisObservation (CD)
CWE

Coded with Exceptions

3200617Interpretation of Observations MAY[0..1]
TX

Text Data

3300618Contraindications to Observations MAY[0..*]ContraindicationstoObservations (CD)
CWE

Coded with Exceptions

3400619Reflex Tests/Observations MAY[0..*]ReflexTests/Observations (CD)
CWE

Coded with Exceptions

3500620Rules that Trigger Reflex Testing MAY[0..*]
TX

Text Data

3600621Fixed Canned Message MAY[0..*]FixedCannedMessage (CD)
CWE

Coded with Exceptions

3700622Patient Preparation
=

Truncation not allowed!

MAY[0..*]
TX

Text Data

3800623Procedure Medication MAY[0..1]ProcedureMedication (CD)
CWE

Coded with Exceptions

3900624Factors that may Affect the Observation
=

Truncation not allowed!

MAY[0..1]
TX

Text Data

4000625Service/Test/Observation Performance Schedule
=

Truncation not allowed!

MAY[0..*]
ST

String Data

4100626Description of Test Methods MAY[0..1]
TX

Text Data

4200937Kind of Quantity Observed MAY[0..1]univ: KindOfQuantity (CD) hl7VS-kindOfQuantity (VS) kindOfQuantity (CS)
CWE

Coded with Exceptions

4300938Point Versus Interval MAY[0..1]repr: DurationCategories (CD) hl7VS-durationCategories (VS) durationCategories (CS)
CWE

Coded with Exceptions

4400939Challenge Information
=

Truncation not allowed!

MAY[0..1]univ: TimeDelayPostChallenge (CD) hl7VS-timeDelayPostChallenge (VS) timeDelayPostChallenge (CS)
TX

Text Data

4500940Relationship Modifier MAY[0..1]univ: RelationshipModifier (CD) hl7VS-relationshipModifier (VS) relationshipModifier (CS)
CWE

Coded with Exceptions

4600941Target Anatomic Site Of Test MAY[0..1]TargetAnatomicSiteOfTest (CD)
CWE

Coded with Exceptions

4700942Modality of Imaging Measurement MAY[0..1]
CWE

Coded with Exceptions

4803310Exclusive Test MAY[0..1]univ: ExclusiveTest (CD) hl7VS-exclusiveTest (VS) exclusiveTest (CS)
ID

Coded Value for HL7 Defined Tables

4900257Diagnostic Serv Sect ID MAY[0..1]univ: DiagnosticServiceSectionId (CD) hl7VS-diagnosticServiceSectionId (VS) diagnosticServiceSectionId (CS)
ID

Coded Value for HL7 Defined Tables

5001539Taxonomic Classification Code MAY[0..1]
CWE

Coded with Exceptions

5103399Other Names MAY[0..*]
ST

String Data

5203433Replacement Producer's Service/Test/Observation ID MAY[0..*]ReplacementProducer'sService/Test/ObservationID (CD)
CWE

Coded with Exceptions

5303434Prior Results Instructions MAY[0..*]
TX

Text Data

5403435Special Instructions MAY[0..1]
TX

Text Data

5503436Test Category MAY[0..*]
CWE

Coded with Exceptions

5603437Observation/Identifier associated with Producer's Service/Test/Observation ID MAY[0..1] (CD)
CWE

Coded with Exceptions

5703438Typical Turn-Around Time 2 MAY[0..1]
CQ

Composite Quantity with Units

5803439Gender Restriction MAY[0..*]repr: AdministrativeSex (CD) hl7VS-administrativeSex (VS) administrativeSex (CS)
CWE

Coded with Exceptions

5903440Age Restriction MAY[0..*]
NR

Numeric Range