Human Reserve Rate observation
When AI Performs the Diagnostic Task
AIが診断タスクそのものを行うとき
HRR-2026-004 · diagnostic screening for diabetic retinopathy · ALLOW · H1_OBSERVING
Observation
OBSERVED TASK
diagnostic screening for diabetic retinopathy
糖尿病網膜症の診断スクリーニング
Source: U.S. Food and Drug Administration / Digital Diagnostics. FDA permits marketing of artificial intelligence-based device to detect certain diabetes-related eye problems
ALLOW · H1_OBSERVING · Observed + Inference
The classification itself is SHIRO & Co. observational interpretation. It is not an objective scientific fact.
分類自体は SHIRO & Co. の観測的解釈である。客観的な科学的事実ではない。
FACT事実
OBSERVED FACT
- The U.S. Food and Drug Administration authorized IDx-DR (De Novo DEN180001) as retinal diagnostic software that uses an artificial intelligence algorithm to analyze images of the eye taken with a retinal camera.
- FDA materials state that the software can determine whether more-than-mild diabetic retinopathy is present and whether the patient should be referred.
- FDA classifies this category as retinal diagnostic software. The system analyzes fundus images rather than drafting a specialist note for later human diagnosis of that same screening output.
- Digital Diagnostics has described IDx-DR as the first FDA-authorized autonomous AI diagnostic system in this category. The product line has since been presented under the LumineticsCore name.
INTERPRETATION解釈
SHIRO & Co. INTERPRETATION
This case demonstrates why occupation-level descriptions are insufficient.
A healthcare professional may remain present in the system while a specific professional task has already crossed the delegation boundary.
この事例は、職業レベルの記述がなぜ不十分かを示す。
医療専門職がシステムの中に残っていても、特定の専門タスクはすでに委任境界を越えていてよい。
Uncertainty
UNCERTAINTY
- This observation does not assess clinical effectiveness beyond the regulator's authorization documents.
- Presence of a healthcare professional in the clinic does not by itself restore human interpretation of the screening classification.
- How referral, treatment, and institutional responsibility are allocated in a given deployment is not observed here.
- This is not a claim of fully autonomous healthcare.
Signal
A human can remain inside a profession after a professional task has become autonomous.
Human Reserve question
What remains human when the diagnostic act itself no longer requires human interpretation?
診断行為そのものが人間の解釈を要しなくなったとき、何が人間のまま残るか。
Human Reserve implication
Human Reserve must be located at the task, not only at the occupation or the bedside.
- Domain
- Healthcare / Diagnostic AI
- Observed capability
- The authorized system analyzes retinal fundus images and automatically determines whether the examination indicates more-than-mild diabetic retinopathy. The narrow diagnostic screening task itself is automated.
- Delegation state
- ALLOW
- Human presence
- H1 — OBSERVING
- Confidence
- Observed + Inference
ALLOW and H1 apply to the narrow diagnostic screening task, not to healthcare as a whole.
Delegation boundary
ALLOW covers image analysis and the diagnostic screening output. Wider medical-context interpretation, patient communication where applicable, referral, treatment decisions, and management of other conditions remain HOLD / human.
Authority boundary
The AI has operational authority over the narrowly defined screening classification. Human and institutional authority remain around the broader care pathway.
Accountability boundary
Distributed / regulated / requires contextual analysis. This record does not reduce the case to “AI is responsible” or “the doctor is responsible.”