FA-64293 / Medication dosing calculations / Member archive

INR-guided weekly dose adjustment and daily plan: daily plan remainder placement · case 03

The daily plan adds up to less than the weekly total.

Member previewVariant 3 · 3 implementations · 8 checks per implementation

Case contract

Input {inr, weekly_mg, low, high}. Toy table: inr >= 5 HOLD and weekly x0.85; high < inr < 5 x0.90; low <= inr <= high CONTINUE unchanged; low-0.5 <= inr < low x1.05; lower x1.10 (ADJUST otherwise). New weekly total rounds half-up to 0.5 mg; the plan spreads it over 7 days in 0.5 mg units as evenly as possible with the larger doses on the first days. Return {action, weekly_mg, plan}.

Why this case matters

Weekly anticoagulant adjustment combines threshold bands with a dispensing plan; band edges and the distribution rule are independent defects.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
high target range above 3	`{"action": "HOLD", "plan": [4.0, 4.0, 4.0, 4.0, 4.0, 4.0, 4.0], "weekly_mg": 30.0}`	`{"action": "HOLD", "plan": [4.5, 4.5, 4.5, 4.5, 4.0, 4.0, 4.0], "weekly_mg": 30.0}`	Failed

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