Ethiopia FHIR Implementation Guide - HIV Treatment & Care Services, published by Jembi Health Systems. This guide is not an authorized publication; it is the continuous build for version 1.0.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/jembi/ethiopia-hiv/ and changes regularly. See the Directory of published versions

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Data Type Profile: Strict Quantity

Strict requirements for quantity-based measurements.

Usage:

• Use this DataType Constraint: Observation - Aspartate aminotransferase (AST) and Alanine aminotransferase (ALT), Observation - BMI, Observation - Absolute CD4 Count, Observation - CD4 Percentage... Show 7 more, Observation - Creatinine, Observation - Head Circumference, Observation - Height, Observation - HGB, Observation - MUAC, Observation - Viral Load Result and Observation - Weight

Formal Views of Profile Content

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

• Differential Table
• Key Elements Table
• Snapshot Table
• Statistics/References
• All

This structure is derived from Quantity

Name	Flags	Card.	Type	Description & Constraints
Quantity			Quantity
value		1..1	decimal	Numerical value (with implicit precision)
unit		1..1	string	Unit representation
system		1..1	uri	System that defines coded unit form
code		1..1	code	Coded form of the unit
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints
Quantity	C	0..*	Quantity	A measured or measurable amount qty-3: If a code for the unit is present, the system SHALL also be present
value	Σ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	Σ	1..1	string	Unit representation
system	ΣC	1..1	uri	System that defines coded unit form
code	Σ	1..1	code	Coded form of the unit
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Quantity.comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
qty-3	error	Quantity	If a code for the unit is present, the system SHALL also be present : code.empty() or system.exists()

Name	Flags	Card.	Type	Description & Constraints
Quantity	C	0..*	Quantity	A measured or measurable amount qty-3: If a code for the unit is present, the system SHALL also be present
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
value	Σ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	Σ	1..1	string	Unit representation
system	ΣC	1..1	uri	System that defines coded unit form
code	Σ	1..1	code	Coded form of the unit
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Quantity.comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
qty-3	error	Quantity	If a code for the unit is present, the system SHALL also be present : code.empty() or system.exists()

This structure is derived from Quantity

Summary

Mandatory: 4 elements

Differential View

This structure is derived from Quantity

Name	Flags	Card.	Type	Description & Constraints
Quantity			Quantity
value		1..1	decimal	Numerical value (with implicit precision)
unit		1..1	string	Unit representation
system		1..1	uri	System that defines coded unit form
code		1..1	code	Coded form of the unit
Documentation for this format

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
Quantity	C	0..*	Quantity	A measured or measurable amount qty-3: If a code for the unit is present, the system SHALL also be present
value	Σ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	Σ	1..1	string	Unit representation
system	ΣC	1..1	uri	System that defines coded unit form
code	Σ	1..1	code	Coded form of the unit
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Quantity.comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
qty-3	error	Quantity	If a code for the unit is present, the system SHALL also be present : code.empty() or system.exists()

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
Quantity	C	0..*	Quantity	A measured or measurable amount qty-3: If a code for the unit is present, the system SHALL also be present
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
value	Σ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	Σ	1..1	string	Unit representation
system	ΣC	1..1	uri	System that defines coded unit form
code	Σ	1..1	code	Coded form of the unit
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Quantity.comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
qty-3	error	Quantity	If a code for the unit is present, the system SHALL also be present : code.empty() or system.exists()

This structure is derived from Quantity

Summary

Mandatory: 4 elements

Other representations of profile: CSV, Excel, Schematron