Reliability of central coding of patient reasons for encounter in general practice, using the International Classification of Primary Care

Objective to assess the accuracy, intra- and inter-coder reliability of secondary, centralised coding of patient reasons for encounter (RFEs) with the International Classification of Primary Care (ICPC). Design Almost 150,000 RFEs were secondarily coded with ICPC in a centralised central coding situ...

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Main Author: Helena Britt
Format: Article
Language:English
Published: BCS, The Chartered Institute for IT 1998-05-01
Series:Journal of Innovation in Health Informatics
Subjects:
Online Access:https://hijournal.bcs.org/index.php/jhi/article/view/210
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author Helena Britt
author_facet Helena Britt
author_sort Helena Britt
collection DOAJ
description Objective to assess the accuracy, intra- and inter-coder reliability of secondary, centralised coding of patient reasons for encounter (RFEs) with the International Classification of Primary Care (ICPC). Design Almost 150,000 RFEs were secondarily coded with ICPC in a centralised central coding situation by trained coders. Efforts were made to gain high coder reliability. A random sample of 2,369 RFEs was independently assessed for coding accuracy. A further sample of 162 RFEs were tested for inter-coder reliability by comparison with a gold standard and for intra-coder reliability by matched comparison of double coded RFEs. Setting primary health care. Subjects doctor_patient contact records. Main outcome measures Accuracy was qualitatively assessed as: absent; incorrect; acceptable but could be improved; correct. Inter- and intra-coder reliability: mean percentage correct scores calculated at ICPC chapter level, at individual rubric level and within each ICPC chapter. Results Only 1.8% of RFEs were missing, incorrect or needed improvement. Inter-coder reliability at ICPC chapter level was 91.7% and at rubric level, 81.8%. Intra-coder reliability was 96.2% at chapter level and 90.0% at rubric level. Reliability varied with ICPC chapter. Conclusion High coder reliability can be gained with ICPC in a central, secondary coding environment but training, an improved index and coding rules are required.
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spelling doaj.art-3cd022fec48246f390e3841f3b05abbf2022-12-21T19:13:51ZengBCS, The Chartered Institute for ITJournal of Innovation in Health Informatics2058-45552058-45631998-05-01713710.14236/jhi.v7i1.210152Reliability of central coding of patient reasons for encounter in general practice, using the International Classification of Primary CareHelena BrittObjective to assess the accuracy, intra- and inter-coder reliability of secondary, centralised coding of patient reasons for encounter (RFEs) with the International Classification of Primary Care (ICPC). Design Almost 150,000 RFEs were secondarily coded with ICPC in a centralised central coding situation by trained coders. Efforts were made to gain high coder reliability. A random sample of 2,369 RFEs was independently assessed for coding accuracy. A further sample of 162 RFEs were tested for inter-coder reliability by comparison with a gold standard and for intra-coder reliability by matched comparison of double coded RFEs. Setting primary health care. Subjects doctor_patient contact records. Main outcome measures Accuracy was qualitatively assessed as: absent; incorrect; acceptable but could be improved; correct. Inter- and intra-coder reliability: mean percentage correct scores calculated at ICPC chapter level, at individual rubric level and within each ICPC chapter. Results Only 1.8% of RFEs were missing, incorrect or needed improvement. Inter-coder reliability at ICPC chapter level was 91.7% and at rubric level, 81.8%. Intra-coder reliability was 96.2% at chapter level and 90.0% at rubric level. Reliability varied with ICPC chapter. Conclusion High coder reliability can be gained with ICPC in a central, secondary coding environment but training, an improved index and coding rules are required.https://hijournal.bcs.org/index.php/jhi/article/view/210ICPCreliabilityclassificationfamily medicine
spellingShingle Helena Britt
Reliability of central coding of patient reasons for encounter in general practice, using the International Classification of Primary Care
Journal of Innovation in Health Informatics
ICPC
reliability
classification
family medicine
title Reliability of central coding of patient reasons for encounter in general practice, using the International Classification of Primary Care
title_full Reliability of central coding of patient reasons for encounter in general practice, using the International Classification of Primary Care
title_fullStr Reliability of central coding of patient reasons for encounter in general practice, using the International Classification of Primary Care
title_full_unstemmed Reliability of central coding of patient reasons for encounter in general practice, using the International Classification of Primary Care
title_short Reliability of central coding of patient reasons for encounter in general practice, using the International Classification of Primary Care
title_sort reliability of central coding of patient reasons for encounter in general practice using the international classification of primary care
topic ICPC
reliability
classification
family medicine
url https://hijournal.bcs.org/index.php/jhi/article/view/210
work_keys_str_mv AT helenabritt reliabilityofcentralcodingofpatientreasonsforencounteringeneralpracticeusingtheinternationalclassificationofprimarycare