Combat Zone Period - IHE FHIR Profile: Occupational Data for Health (ODH) v1.0.1-current

IHE FHIR Profile: Occupational Data for Health (ODH), published by IHE Patient Care Coordination Committee. This guide is not an authorized publication; it is the continuous build for version 1.0.1-current built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/IHE/PCC.ODH/ and changes regularly. See the Directory of published versions

Resource Profile: Combat Zone Period

Official URL: https://profiles.ihe.net/PCC/ODH/StructureDefinition/IHE.ODH.CombatZonePeriod				Version: 1.0.1-current
Active as of 2026-10-27				Computable Name: CombatZonePeriod
Other Identifiers: OID:1.3.6.1.4.1.19376.1.5.3.1.3.43.42.9

A Combat Zone Period Observation is a clinical statement indicating the self-reported date range(s) when a person worked in what is considered a combat zone. Both civilian workers, such as Department of Defense contractors, and military service members could have worked in combat zones. Many people who have served in the military seek care first outside of the Veterans Health Administration system. Collecting this observation can facilitate important conversations about possible related health concerns, potentially prompting referral to the Department of Veterans' Affairs (VA).

Usages:

Refer to this Profile: Occupational Data for Health
Examples for this Profile: Observation/ex-Observation-ODH-MayaGordon-CombatZonePeriod

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

Key Elements Table
Differential Table
Snapshot Table
Statistics/References
All

Name	Flags	Card.	Type	Description & Constraints Filter: Bindings Constraints Obligations
Observation	C	0..*	Observation	Combat Zone Period Constraints: obs-6, obs-7
Observation.implicitRules	This element is a modifier element. This element is included in summaries.	0..1	uri	A set of rules under which this content was created
Observation.modifierExtension	This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
Observation.basedOn	This element is included in summaries.	0..*	Reference(ServiceRequest)	The plan, proposal or order that is fulfilled in whole or in part by this observation
Observation.partOf	This element is included in summaries.	0..*	Reference(Procedure)	The larger procedure that this particular observation is a component or step
Observation.status	This element is a modifier element. This element is included in summaries.	1..1	code	registered \| preliminary \| final \| amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
Observation.Slices for category		1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:$this Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Observation.Slices for category.category:social-history		1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. Required Pattern: `{ "coding" : [ { "system" : "http://terminology.hl7.org/CodeSystem/observation-category", "code" : "social-history" } ] }`
Observation.code	This element is included in summaries.	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: `{ "coding" : [ { "system" : "http://loinc.org", "code" : "87511-2", "display" : "Combat zone AndOr hazardous duty work dates" } ] }`
Observation.focus	This element is included in summaries.	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record
Observation.value[x]	This element is included in summaries. C	0..1	Period	Self-reported date range(s) when a person worked in what is considered a combat zone; sometimes called hazardous duty work
Observation.bodySite		0..1	CodeableConcept	Observed body part Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
Observation.method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (example): Methods for simple observations.
Observation.specimen		0..1	Reference(Specimen)	Specimen used for this observation
Observation.device		0..1	Reference(Device \| DeviceMetric)	(Measurement) Device
Observation.referenceRange	C	0..*	BackboneElement	Provides guide for interpretation Constraints: obs-3
Observation.referenceRange.modifierExtension	This element is a modifier element. This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Observation.status	Base	required	ObservationStatus	📍4.0.1	FHIR Std.
Observation.category	Base	preferred	Observation Category Codes	📍4.0.1	FHIR Std.
Observation.category:social-history	Base	preferred	Observation Category Codes	📍4.0.1	FHIR Std.
Observation.code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.bodySite	Base	example	SNOMED CT Body Structures	📍4.0.1	FHIR Std.
Observation.method	Base	example	Observation Methods	📍4.0.1	FHIR Std.

Constraints

Grade

Path(s)

Description

Expression

This structure is derived from Observation

Name	Card.	Type	Description & Constraints Filter: Bindings Constraints Obligations
Observation	0..*	Observation	Combat Zone Period
Observation.basedOn	0..*	Reference(ServiceRequest)	The plan, proposal or order that is fulfilled in whole or in part by this observation
Observation.partOf	0..*	Reference(Procedure)	The larger procedure that this particular observation is a component or step
Observation.Slices for category	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:$this Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Observation.Slices for category.category:social-history	1..1	CodeableConcept	Classification of type of observation Required Pattern: `{ "coding" : [ { "system" : "http://terminology.hl7.org/CodeSystem/observation-category", "code" : "social-history" } ] }`
Observation.code	1..1	CodeableConcept	Type of observation (code / type) Required Pattern: `{ "coding" : [ { "system" : "http://loinc.org", "code" : "87511-2", "display" : "Combat zone AndOr hazardous duty work dates" } ] }`
Observation.focus	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record
Observation.value[x]	0..1	Period	Self-reported date range(s) when a person worked in what is considered a combat zone; sometimes called hazardous duty work
Observation.bodySite	0..1	CodeableConcept	Observed body part
Observation.method	0..1	CodeableConcept	How it was done
Observation.specimen	0..1	Reference(Specimen)	Specimen used for this observation
Observation.device	0..1	Reference(Device \| DeviceMetric)	(Measurement) Device
Observation.referenceRange	0..*	BackboneElement	Provides guide for interpretation
Documentation for this format

Description & Constraints Filter:

Observation C 0..* Observation Combat Zone Period
Constraints: obs-6, obs-7

Observation.id This element is included in summaries. 0..1 id Logical id of this artifact

Observation.meta This element is included in summaries. 0..1 Meta Metadata about the resource

Observation.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created

language

0..1

code

Language of the resource content
Binding: CommonLanguages (preferred): A human language.

Additional Bindings

Purpose

AllLanguages

Max Binding

Observation.text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements

Observation.contained 0..* Resource Contained, inline Resources

Observation.extension 0..* Extension Additional content defined by implementations

Observation.modifierExtension This element is a modifier element. 0..* Extension Extensions that cannot be ignored

Observation.identifier This element is included in summaries. 0..* Identifier Business Identifier for observation

Observation.basedOn This element is included in summaries. 0..* Reference(ServiceRequest) The plan, proposal or order that is fulfilled in whole or in part by this observation

Observation.partOf This element is included in summaries. 0..* Reference(Procedure) The larger procedure that this particular observation is a component or step

Observation.status This element is a modifier element. This element is included in summaries. 1..1 code registered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.

Observation.Slices for category 1..* CodeableConcept Classification of type of observation
Slice: Unordered, Open by value:$this
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.

Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them

category:social-history

1..1

CodeableConcept

Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.

Required Pattern:

{
  "coding" : [
    {
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "social-history"
    }
  ]
}

code

1..1

CodeableConcept

Type of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
Required Pattern:

{
  "coding" : [
    {
      "system" : "http://loinc.org",
      "code" : "87511-2",
      "display" : "Combat zone AndOr hazardous duty work dates"
    }
  ]
}

Observation.subject This element is included in summaries. 0..1 Reference(Patient | Group | Device | Location) Who and/or what the observation is about

Observation.focus This element is included in summaries. 0..* Reference(Resource) What the observation is about, when it is not about the subject of record

Observation.encounter This element is included in summaries. 0..1 Reference(Encounter) Healthcare event during which this observation is made

Observation.effective[x] This element is included in summaries. 0..1 Clinically relevant time/time-period for observation

Observation.effective[x].effectiveDateTime dateTime

Observation.effective[x].effectivePeriod Period

Observation.effective[x].effectiveTiming Timing

Observation.effective[x].effectiveInstant instant

Observation.issued This element is included in summaries. 0..1 instant Date/Time this version was made available

Observation.value[x] This element is included in summaries. C 0..1 Period Self-reported date range(s) when a person worked in what is considered a combat zone; sometimes called hazardous duty work

Observation.dataAbsentReason C 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.

Observation.interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.

Observation.note 0..* Annotation Comments about the observation

Observation.bodySite 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.

Observation.method 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.

Observation.specimen 0..1 Reference(Specimen) Specimen used for this observation

Observation.device 0..1 Reference(Device | DeviceMetric) (Measurement) Device

Observation.referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3

Observation.referenceRange.id 0..1 string Unique id for inter-element referencing

Observation.referenceRange.extension 0..* Extension Additional content defined by implementations

Observation.referenceRange.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized

Observation.referenceRange.low C 0..1 SimpleQuantity(4.0.1) Low Range, if relevant
Constraints: sqty-1

Observation.referenceRange.high C 0..1 SimpleQuantity(4.0.1) High Range, if relevant
Constraints: sqty-1

Observation.referenceRange.type 0..1 CodeableConcept Reference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.

Observation.referenceRange.appliesTo 0..* CodeableConcept Reference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.

Observation.referenceRange.age 0..1 Range Applicable age range, if relevant

Observation.referenceRange.text 0..1 string Text based reference range in an observation

Observation.hasMember This element is included in summaries. 0..* Reference(Observation | QuestionnaireResponse | MolecularSequence) Related resource that belongs to the Observation group

Observation.component This element is included in summaries. 0..* BackboneElement Component results

Observation.component.id 0..1 string Unique id for inter-element referencing

Observation.component.extension 0..* Extension Additional content defined by implementations

Observation.component.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized

Observation.component.code This element is included in summaries. 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

Observation.component.value[x] This element is included in summaries. 0..1 Actual component result

Observation.component.value[x].valueQuantity Quantity

Observation.component.value[x].valueCodeableConcept CodeableConcept

Observation.component.value[x].valueString string

Observation.component.value[x].valueBoolean boolean

Observation.component.value[x].valueInteger integer

Observation.component.value[x].valueRange Range

Observation.component.value[x].valueRatio Ratio

Observation.component.value[x].valueSampledData SampledData

Observation.component.value[x].valueTime time

Observation.component.value[x].valueDateTime dateTime

Observation.component.value[x].valuePeriod Period

Observation.component.dataAbsentReason C 0..1 CodeableConcept Why the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.

Observation.component.interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.

Observation.component.referenceRange 0..* See referenceRange (Observation) Provides guide for interpretation of component result

Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Observation.language	Base	preferred	Common Languages	📍4.0.1	FHIR Std.
Observation.status	Base	required	ObservationStatus	📍4.0.1	FHIR Std.
Observation.category	Base	preferred	Observation Category Codes	📍4.0.1	FHIR Std.
Observation.category:social-history	Base	preferred	Observation Category Codes	📍4.0.1	FHIR Std.
Observation.code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.dataAbsentReason	Base	extensible	DataAbsentReason	📍4.0.1	FHIR Std.
Observation.interpretation	Base	extensible	Observation Interpretation Codes	📍4.0.1	FHIR Std.
Observation.bodySite	Base	example	SNOMED CT Body Structures	📍4.0.1	FHIR Std.
Observation.method	Base	example	Observation Methods	📍4.0.1	FHIR Std.
Observation.referenceRange.type	Base	preferred	Observation Reference Range Meaning Codes	📍4.0.1	FHIR Std.
Observation.referenceRange.appliesTo	Base	example	Observation Reference Range Applies To Codes	📍4.0.1	FHIR Std.
Observation.component.code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component.dataAbsentReason	Base	extensible	DataAbsentReason	📍4.0.1	FHIR Std.
Observation.component.interpretation	Base	extensible	Observation Interpretation Codes	📍4.0.1	FHIR Std.

Constraints

Grade

Path(s)

Description

Expression

This structure is derived from Observation

Summary

Mandatory: 2 elements

Slices

This structure defines the following Slices:

The element 1 is sliced based on the value of Observation.category

Key Elements View

Name	Flags	Card.	Type	Description & Constraints Filter: Bindings Constraints Obligations
Observation	C	0..*	Observation	Combat Zone Period Constraints: obs-6, obs-7
Observation.implicitRules	This element is a modifier element. This element is included in summaries.	0..1	uri	A set of rules under which this content was created
Observation.modifierExtension	This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
Observation.basedOn	This element is included in summaries.	0..*	Reference(ServiceRequest)	The plan, proposal or order that is fulfilled in whole or in part by this observation
Observation.partOf	This element is included in summaries.	0..*	Reference(Procedure)	The larger procedure that this particular observation is a component or step
Observation.status	This element is a modifier element. This element is included in summaries.	1..1	code	registered \| preliminary \| final \| amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
Observation.Slices for category		1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:$this Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Observation.Slices for category.category:social-history		1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. Required Pattern: `{ "coding" : [ { "system" : "http://terminology.hl7.org/CodeSystem/observation-category", "code" : "social-history" } ] }`
Observation.code	This element is included in summaries.	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: `{ "coding" : [ { "system" : "http://loinc.org", "code" : "87511-2", "display" : "Combat zone AndOr hazardous duty work dates" } ] }`
Observation.focus	This element is included in summaries.	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record
Observation.value[x]	This element is included in summaries. C	0..1	Period	Self-reported date range(s) when a person worked in what is considered a combat zone; sometimes called hazardous duty work
Observation.bodySite		0..1	CodeableConcept	Observed body part Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
Observation.method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (example): Methods for simple observations.
Observation.specimen		0..1	Reference(Specimen)	Specimen used for this observation
Observation.device		0..1	Reference(Device \| DeviceMetric)	(Measurement) Device
Observation.referenceRange	C	0..*	BackboneElement	Provides guide for interpretation Constraints: obs-3
Observation.referenceRange.modifierExtension	This element is a modifier element. This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Observation.status	Base	required	ObservationStatus	📍4.0.1	FHIR Std.
Observation.category	Base	preferred	Observation Category Codes	📍4.0.1	FHIR Std.
Observation.category:social-history	Base	preferred	Observation Category Codes	📍4.0.1	FHIR Std.
Observation.code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.bodySite	Base	example	SNOMED CT Body Structures	📍4.0.1	FHIR Std.
Observation.method	Base	example	Observation Methods	📍4.0.1	FHIR Std.

Constraints

Grade

Path(s)

Description

Expression

Differential View

This structure is derived from Observation

Name	Card.	Type	Description & Constraints Filter: Bindings Constraints Obligations
Observation	0..*	Observation	Combat Zone Period
Observation.basedOn	0..*	Reference(ServiceRequest)	The plan, proposal or order that is fulfilled in whole or in part by this observation
Observation.partOf	0..*	Reference(Procedure)	The larger procedure that this particular observation is a component or step
Observation.Slices for category	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:$this Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Observation.Slices for category.category:social-history	1..1	CodeableConcept	Classification of type of observation Required Pattern: `{ "coding" : [ { "system" : "http://terminology.hl7.org/CodeSystem/observation-category", "code" : "social-history" } ] }`
Observation.code	1..1	CodeableConcept	Type of observation (code / type) Required Pattern: `{ "coding" : [ { "system" : "http://loinc.org", "code" : "87511-2", "display" : "Combat zone AndOr hazardous duty work dates" } ] }`
Observation.focus	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record
Observation.value[x]	0..1	Period	Self-reported date range(s) when a person worked in what is considered a combat zone; sometimes called hazardous duty work
Observation.bodySite	0..1	CodeableConcept	Observed body part
Observation.method	0..1	CodeableConcept	How it was done
Observation.specimen	0..1	Reference(Specimen)	Specimen used for this observation
Observation.device	0..1	Reference(Device \| DeviceMetric)	(Measurement) Device
Observation.referenceRange	0..*	BackboneElement	Provides guide for interpretation
Documentation for this format

Snapshot View

Description & Constraints Filter:

Observation C 0..* Observation Combat Zone Period
Constraints: obs-6, obs-7

Observation.id This element is included in summaries. 0..1 id Logical id of this artifact

Observation.meta This element is included in summaries. 0..1 Meta Metadata about the resource

Observation.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created

language

0..1

code

Language of the resource content
Binding: CommonLanguages (preferred): A human language.

Additional Bindings

Purpose

AllLanguages

Max Binding

Observation.text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements

Observation.contained 0..* Resource Contained, inline Resources

Observation.extension 0..* Extension Additional content defined by implementations

Observation.modifierExtension This element is a modifier element. 0..* Extension Extensions that cannot be ignored

Observation.identifier This element is included in summaries. 0..* Identifier Business Identifier for observation

Observation.basedOn This element is included in summaries. 0..* Reference(ServiceRequest) The plan, proposal or order that is fulfilled in whole or in part by this observation

Observation.partOf This element is included in summaries. 0..* Reference(Procedure) The larger procedure that this particular observation is a component or step

category:social-history

1..1

CodeableConcept

Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.

Required Pattern:

{
  "coding" : [
    {
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "social-history"
    }
  ]
}

code

1..1

CodeableConcept

Type of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
Required Pattern:

{
  "coding" : [
    {
      "system" : "http://loinc.org",
      "code" : "87511-2",
      "display" : "Combat zone AndOr hazardous duty work dates"
    }
  ]
}