We are attempting to create an archetype to represent an existing information 
structure that we use within our Child Screening messages, for BloodSpot 
results.

Consider the following table (abbreviated).

We have a "Status Code" which can take on values of "01"-"09"
We then have a "Subcode" which depending on the "Status Code" is either not 
required, or has a specified set of values it can take on.

This only represents one of the "tests" from a collection of 9 possible tests 
that are part of the English BloodSpot

Status code     Suggested term used in child health system      Subcode 
Description     ID      FSN
01      Specimen received in laboratory N/A     Same value applies to all 
screening tests (ie relates to the blood spot card)

Additional data items to be provided with this status code and entered into 
Child Health systems. electronically or by manual means:

? Date sample taken
? Date sample received in laboratory
? Laboratory identifier 509581000000105 Newborn blood spot specimen received 
(finding)
02      (condition screened for) declined       N/A             947891000000100 
Glutaric aciduria type 1 screening declined (situation)
                0201    Declined, no history of being screened  951861000000101 
Glutaric aciduria type 1 screening declined, no history of being screened 
(situation)
                0202    Declined, screened in UK (as reported by parents) with 
no evidence of result    951881000000105 Glutaric aciduria type 1 screening 
declined, screened in United Kingdom (as reported by parents) with no evidence 
of result (situation)
                0203    Declined, screened outside UK with evidence of result   
951901000000108 Glutaric aciduria type 1 screening declined, screened outside 
United Kingdom with evidence of result (situation)
                0204    Declined, screened outside UK with no evidence of 
result        951921000000104 Glutaric aciduria type 1 screening declined, 
screened outside United Kingdom with no evidence of result (situation)
03      (Condition screened for) Repeat/Further sample required                 
951941000000106 Glutaric aciduria type 1 screening, repeat screening with 
further sample required (finding)
                0301    Too young for reliable screening        951961000000107 
Glutaric aciduria type 1 screening, too young for reliable screening (finding)
                0302    Too soon after transfusion (<72 hours)  951981000000103 
Glutaric aciduria type 1 screening, sample taken too soon after blood 
transfusion (less than 72 hours) (finding)
                0303    Insufficient sample     952001000000103 Glutaric 
aciduria type 1 screening, insufficient sample (finding)
                0304    Unsuitable sample (blood quality): incorrect blood 
application  952021000000107 Glutaric aciduria type 1 screening, unsuitable 
sample (blood quality): incorrect blood application (finding)
                0305    Unsuitable sample (blood quality): compressed/damaged   
952041000000100 Glutaric aciduria type 1 screening, unsuitable sample (blood 
quality): compressed/damaged (finding)
                0306    Unsuitable sample: day 0 and day 5 on same card 
952061000000104 Glutaric aciduria type 1 screening, unsuitable sample: day 0 
and day 5 on same card (finding)
                0308    Unsuitable sample: NHS number missing/not accurately 
recorded   952081000000108 Glutaric aciduria type 1 screening, unsuitable 
sample: National Health Service number missing/not accurately recorded (finding)
                0309    Unsuitable sample: Date of sample missing/not 
accurately recorded       952101000000102 Glutaric aciduria type 1 screening, 
unsuitable sample: date of sample missing/not accurately recorded (finding)
                0310    Unsuitable sample: Date of birth not accurately matched 
952121000000106 Glutaric aciduria type 1 screening, unsuitable sample: date of 
birth not accurately matched (finding)
                0311    Unsuitable sample: Expired card used    952141000000104 
Glutaric aciduria type 1 screening, unsuitable sample: expired card used 
(finding)
                0312    Unsuitable sample:  > 14 days in transit, too old for 
analysis  952161000000103 Glutaric aciduria type 1 screening, unsuitable 
sample: more than 14 days in transit, too old for analysis (finding)
                0313    Unsuitable sample: Damaged in transit   952181000000107 
Glutaric aciduria type 1 screening, unsuitable sample: damaged in transit 
(finding)
04      (Condition screened for) Not suspected  N/A             951781000000101 
Glutaric aciduria type 1 not suspected (situation)
07      (Condition screened for) Not suspected, other disorders follow up       
N/A             951801000000100 Glutaric aciduria type 1 not suspected and 
other disorders follow up required (situation)
08      (Condition screened for) Suspected      N/A             951831000000106 
Suspected glutaric aciduria type 1 (situation)
09      (Condition screened for) Not screened/screening incomplete      N/A     
        952201000000106 Glutaric aciduria type 1 not screened for or screening 
incomplete (finding)
                0902    All screens: >1 year, too old for screening     
952221000000102 Glutaric aciduria type 1 not screened for or screening 
incomplete: over 1 year old, too old for screening (finding)
                0903    Moved out of area       952241000000109 Glutaric 
aciduria type 1 not screened for or screening incomplete, moved out of area 
(finding)
                0904    Not contactable, reasonable efforts made        
952261000000105 Glutaric aciduria type 1 not screened for or screening 
incomplete, not contactable, reasonable efforts made (finding)
                0905    Baby died       952281000000101 Glutaric aciduria type 
1 not screened for or screening incomplete, baby died (finding)
                0906    Not required, previous  valid result    952301000000100 
Glutaric aciduria type 1 not screened for or screening incomplete, not 
required, previous valid result (finding)


Regards

Richard Kavanagh
Head of Data Standards
Architecture, Standards & Innovation
Health and Social Care Information Centre
Tel : 0113 397 4398
Mob : 07770 644449
Richard.Kavanagh at hscic.gov.uk<mailto:Richard.Kavanagh at hscic.gov.uk>
http://www.hscic.gov.uk<http://www.connectingforhealth.nhs.uk>




-----Original Message-----
From: openEHR-clinical [mailto:[email protected]] On 
Behalf Of Ian McNicoll
Sent: 14 January 2015 10:07
To: For openEHR clinical discussions
Subject: Re: Constraining coded values

Hi Richard,

Are you able to flesh out the use-case a little more?

As Diego has said, cross element constraint is supported by the ADL spec but 
not by any of the editing tools at the moment.
This is not really my field but I think part of the problem is coming up with a 
rules formalism that can be interpreted by downstream systems

In practice I have found that most of the cross-element constraint rules issues 
are actually required at template level and are cross-archetype ( The classic 
BMI calculation). This is an area where GDL 
(http://www.openehr.org/downloads/ds_and_guidelines) is seen as the best 
solution by most implementers. I am not too familiar with GDL but it might well 
be possible to use GDL for your purpose

Ian
Dr Ian McNicoll
mobile +44 (0)775 209 7859
office +44 (0)1536 414994
skype: ianmcnicoll
email: ian at freshehr.com<mailto:ian at freshehr.com>
twitter: @ianmcnicoll

Director, freshEHR Clinical Informatics
Director, openEHR Foundation
Director, HANDIHealth CIC
Hon. Senior Research Associate, CHIME, UCL


On 14 January 2015 at 09:31, Kavanagh Richard (HEALTH AND SOCIAL CARE 
INFORMATION CENTRE) <richard.kavanagh at hscic.gov.uk<mailto:richard.kavanagh 
at hscic.gov.uk>> wrote:
> Hello all,
>
>
>
> Within an openEHR archetype we have a scenario where we have two
> elements that need to be coded. Element01 and Element02
>
>
>
> Element01 can take on values ?01?,?02?,?03?,04?
>
> Element02 can take on a subset of values from superset ?A? thru ?Z?,
> depending on the value of Element01
>
>
>
> How do we express this in an Observation archetype? Is it possible
>
>
>
> thanks
>
> Richard Kavanagh
> Head of Data Standards
> Architecture, Standards & Innovation
>
> Health and Social Care Information Centre
> Richard.Kavanagh at hscic.gov.uk<mailto:Richard.Kavanagh at hscic.gov.uk> 
> http://www.hscic.gov.uk
>
>
>
>
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