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November 13, 2012. 2 1 PRESENT Review where we are today 2 LESSONS LEARNED Challenges & how we dealt...
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Transcript of November 13, 2012. 2 1 PRESENT Review where we are today 2 LESSONS LEARNED Challenges & how we dealt...
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VSAC - Value Set Authority Center
November 13, 2012
by
Ivor D’SouzaDirector, Information Systems, NLM
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2
Today’s Topics
1PRESENTReview where we
are today
2LESSONS LEARNEDChallenges & how we
dealt with them
3FUTUREPlanned initiatives
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Where Are We
Today?
Web user interface – human
consumption
Application programming interface –
machine consumption
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VSAC API
Based on IHE Sharing Value Sets (SVS) Profile
XML-based
In use by USHIK, Mayo & Mitre
Returns value sets by: OID
OID & version
Measure ID
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The VSAC Journeyand
Lessons Learned
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Value Set Curation
11
Challenge
Curation
Outcomes94 quality measures
84,228 unique codes
1,558 unique value sets
CLEAN
with
in
within4 months
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12
Challenge
Curation
Outcomes
Value Set Curation
Used
UMLS® Terminology Services and RxNORM APIs
Triangulation between code system, code & description
Checks for:- Incorrect/malformed codes- Code System/Code mismatch- Code/description mismatch
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13
Challenge
Curation
Outcomes
Value Set Curation
EXAMPLES(Code reformatted)
SNOMEDCT93109003 -> 293109003 Diphtheria, tetanus and pertussis vaccine adverse reaction (disorder)
ICD10CMM01x69 -> M01.X69 Direct infection of unspecified knee in infectious and parasitic disease classified elsewhere
LOINC8480-6 á┬ -> 8480-6 Systolic blood pressure
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14
Challenge
Curation
Outcomes
Value Set Curation
EXAMPLES(Code system changed)
ICD10CM -> ICD10PCS02H732G Insertion of Pressure Sensor into Left Atrium, Percutaneous Approach
ICD10CM -> ICD9CM35.11 OPN AORTIC VALVULOPLASTY
LNC -> CPT80069 Renal function panel
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15
Challenge
Curation
Outcomes
Value Set Curation
EXAMPLE(code/code system mismatch)
2474318017 (urine screen for chlamydia)code for the term (wrong)
412761009 (urine screen for chlamydia)code for the concept (OK)
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16
Challenge
Curation
Outcomes
Value Set Curation
EXAMPLE(code/description mismatch)
99411 Chemotherapy administration; intravenous, push technique, each additional substance/drug (List separately in addition to code for primary procedure)
96411 Chemotherapy administration; intravenous, push technique, each additional substance/drug (List separately in addition to code for primary procedure)
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17
Challenge
Curation
Outcomes
Value Set Curation
THIRTEEN grueling rounds of corrections
over a 4-month periodCorrected:- 4100+ codes- 370+ value sets- All 94 measures
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Planned Next Steps
Process Initiatives (in collaboration with HHS partners) Governance process for value set editing, approval and publishing
Value set review to validate against purpose of measure
Tooling for VS maintenance and authoring Direct access to online code systems (should eliminate errors encountered)
Access to UMLS synonymy, hierarchy and relationships
Built-in quality checks to alert on potential errors
Automated alerts when new code system releases require value set refresh
Evaluate CTS2 suitability for use with VSAC
Opportunities to improve value set consumption
Integration with Measure Authoring Tool (MAT)
(Partial list)
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19
Thank You!