I have a query below that gives me top diagnoses (orders) but can't seem to get it per provider_id. I need top 10 diagnoses done for each provider so group by provider and show each providers' top 10 for the year. Any help is appreciated. Thanks
select TOP 10 e.icd9cm_code_id, e.icd9cm_code_desc, pm.provider_id, COUNT(e.icd9cm_code_id) as times_used
FROM encounter_diags e
inner join patient_encounter pe on e.enc_id = pe.enc_id
inner join provider_mstr pm on pe.rendering_provider_id = pm.provider_id
WHERE pe.enc_timestamp >= '20150101' AND pe.enc_timestamp < '20160101'
--and pm.provider_id = '01A6E951-730F-4ECB-901E-BB4380EEE233'
GROUP BY pm.provider_id, e.icd9cm_code_id, e.icd9cm_code_desc
ORDER BY COUNT(icd9cm_code_id) DESC
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Andrew Hancock - VMware vExpert
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