Medication description: Tree
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Concept

Archetype Id

Structure
Id: openEHR-EHR-ITEM_TREE.medication.v1
Reference model: EHR
ADL, (ADL)		 Class diagram not available

Concept


Ordered

Description

Type

Cardinality

Values
Name of medication The name of the intervention - which may be codedText
mandatory
1..1		 Free or coded text
Administration instructions Detailed instructions about how to administer this medicationText
optional
0..1		 Free or coded text
Strength per dose unit The strength of the medicationQuantity
Quantity
Quantity
optional
0..1		 Property = MASS
Units:
   gm, >= 0
   µg, >= 0
   pg, >= 0
   mg, >= 0
Property = MASS (IU)
Units:
   IU, >= 0
   mIU, >= 0
Property = MASS (UNITS)
Units:
   U, >= 0
   mU, >= 0
Dose unit The dose unit that is given for this type of medicationCoded text
mandatory
1..1		 Terminology
any term that 'is a' Dose unit for this form
Form The form of the medicationCoded text
optional
0..1		 Terminology
Any term that 'is_a' form of medication
Dose, The dose to be administered at one time.       Cluster (0..1) optional
 
By absolute quantity, Dosage by absolute quantity.       Cluster (0..1) optional
 

Concept

Description

Type

Cardinality

Values
Quantity by volume The quantity (or range) to be administered as a single doseQuantity
Interval
mandatory, repeating
1..2		 Property = VOLUME
Units:
   ml, >= 0
   l, >= 0
Property = VOLUME
Units:
   ml, >= 0
   l, >= 0
Property = VOLUME
Units:
   ml, >= 0
   l, >= 0
Quantity by mass *Quantity
Interval
optional
0..1		 Property = MASS
Units:
   gm
   µg, >= 0
   mg
Property = MASS
Units:
   gm, >= 0
   µg, >= 0
   mg, >= 0
Property = MASS
Units:
   gm, >= 0
   µg, >= 0
   mg, >= 0
By dose units, Dose as number (or fraction) of the dose units.       Cluster (0..1) optional
 

Concept

Description

Type

Cardinality

Values
Number or fraction The number of dose units to be taken at any timeCount
Interval
Proportion
mandatory
1..1		 >= 1
>= 1
>= 1
Allowed values: Unitary, As percent, Integer and fraction
Numerator: >= 1
Denominator: 1..4

Concept


Ordered

Description

Type

Cardinality

Values
Dose duration The time over which an individual dose is to be administeredQuantity
optional
0..1		 Property = TIME
Units:
   s, >= 0
   min
   h
   d
Route The route of administrationCoded text
optional
0..1		 Terminology
Any term that 'is_a' route of administration
Is long term Included and set to true if this medication is to be used continuously or repeatedly over a significant period of time.Boolean
optional
0..1		 True, False
Indications, Indications including related problems and diagnoses, abnormal test results etc.       Cluster (0..1) optional
 

Concept

Description

Type

Cardinality

Values
Indication The indication for the interventionText
URI - resource identifier
optional, repeating
0..*		 Free or coded text
 

Concept


Ordered

Description

Type

Cardinality

Values
Generic name The generic name of the drug which is an alternative name to the name of medicationText
optional
0..1		 Free or coded text
Safety limits, *.       Cluster (0..1, ordered) optional
 

Concept

Description

Type

Cardinality

Values
Maximum dose unit frequency The maximum number of dose units to be taken in a particular timeQuantity
optional
0..1		 Property = FREQUENCY
Units:
   {QUALIFIED REAL/TIME}, > 0
Dosage per kg body weight The dose per kg of body weightInterval
optional
0..1		 Property = SELF
Property = SELF
Minimum dose interval The minimum safe interval between dosesQuantity
optional
0..1		 Property = TIME
Units:
   mo, >= 0
   wk, >= 0
   min, >= 0
   h, >= 0
   d, >= 0
Maximum dose interval The maximum safe interval between dosesQuantity
optional
0..1		 Property = TIME
Units:
   mo, >= 0
   wk, >= 0
   min, >= 0
   h, >= 0
   d, >= 0
Administration information, Information relating to the administration of the medication order.       Cluster (0..1) optional
 

Concept

Description

Type

Cardinality

Values
Date (time) of first administration The date and time (if required) the medication is/was first administeredDate & Time
optional
0..1		 Allow all
yyyy-??-??t??:??:??
Batch number Manufacturer's identification numberText
optional
0..1		 Free or coded text
Site of administration The site of administration e.g. outer thigh if intramuscular, via PEG if patient is nil orallyCoded text
optional
0..1		 Free or coded text
Sequence number The dose number or sequenceCount
optional
0..1		  
Date (time) of last administration The date and time (if required) the medication is to be administered for the last timeDate & Time
optional
0..1		 Allow all
yyyy-??-??t??:??:??
Dispensing information, Data relating to dispensing.       Cluster (0..1) optional
 

Concept

Description

Type

Cardinality

Values
Quantity to be dispensed The total quantity to be dispensedQuantity
Count
Text
optional
0..1		 Property = MASS (UNITS)
> 0
Free or coded text
Number of authorised repeat dispensing The number of times this quantity of medication may be dispensed before a further prescription is requiredCount
optional
0..1		 >= 0
Dispensed product The name of the product dispensedText
optional
0..1		 Free or coded text
Brand substitution allowed True if an alternative brand may be substituted when dispensingBoolean
optional
0..1		 True, False
Authority approval number *Text
optional
0..1		 Free or coded text
Patient counselled on CMI Dispenser counselled the patient with regard to the Consumer Medicines InformationBoolean
optional
0..1		 True, False
Deferred supply True if the supply of the medication has been deferredBoolean
optional
0..1		 True, False
Reason for deferred supply Information relating to the reason for deferred supplyText
optional
0..1		 Free or coded text

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