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What's the difference?

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All stages · Demo 222

ICD-10 plate

Choice endocrine / injury / other. A code is one letter, two digits, optional dot and 1–4. Jev never regexes the plate. Digits with no letter reject.

ChoiceICD-10 format in JS

A digit tape. E11.9 books endocrine. S72.0 lights injury. 11.9 never codes.

replaych —icd —

STANDBY

All 4056 stages

Educational stage on jev.page — not the official TypeSafe console. Live calls go to POST https://api.typesafe.ai/v1/systemone from your browser when you paste a key. Without a key, the stage plays a recorded decision shaped like jev-1.13.0. Jev does not write the UI copy.