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Automation coding system on mortality in Japan. Moriyo Kimura, MD MPH ICD office Ministry of Health, Labour and Welfare, Japan. ACSEL. A utomated C oding of diagnostic expressions and SEL ection of underlying cause of death. Characteristics of ACSEL.
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Automation coding system on mortality in Japan Moriyo Kimura, MD MPH ICD office Ministry of Health, Labour and Welfare, Japan
ACSEL Automated Coding of diagnostic expressions and SELection of underlying cause of death
Characteristics of ACSEL • ACSEL’s difficult, complicated Japanese processing ability. • Neoplasm’s automation processing in Phase II.
Data editing Data editing PHASEⅠ PHASEⅠ PHASEⅡ PHASEⅡ Data sheet MHLW Online Data handling OCR Dictionary Tables Municipalities Health Centres registration Manual data handling Manual data handling
Data editing Difficult, Nasty Japanese Data editing PHASEⅠ PHASEⅡ ○ Topographical errors ○ Space, hyphenation ○ Capitalization ○ Kanji, Hiragana, Katakana adjustment
Phase I Data editing Element file Element analysis PHASEⅠ Various file PHASEⅡ Element editing Element sorting Dictionary file Matching Condition file Confirmation ICD coding
PhaseⅡ Data editing PHASEⅠ Table C TUD PHASEⅡ Table D Modification rules neoplasms Table E Trivial condition Japanese rules Table F Domestic code removal UCD
Neoplasms Data editing 1. Systematic automation coding adopting ICD-O Example 1. a. Stomach cancer b. pancreatic cancer → C26.8 Example 2. a. small cell lung cancer b. HCC → C97 2. Overcoming Linguistic complicity of Japanese Example. 転移肺癌 → lung metastasis 肺癌転移 → metastaticlung cancer PHASEⅠ PHASEⅡ
Coding Accuracy Total manual coding AC total Agreement 990,736 *73,683 917,049 869,362 (100%) (7.4%) (92.6%) (94.8%) 2002 data *The data for manual coding was mainly the external cause of death