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Medical Expense Deduction Calculator
Family-total medical expenses above ¥100,000 (or 5% of income, whichever is lower) become a deduction. File via 確定申告 in February-March of the next year.
Inputs
Family-aggregated medical expenses claimed by the highest-earning member yields the largest refund. Submit via final tax return (確定申告) the year after.
Estimated refund
Your medical expense deduction is ¥100,000, refund/saving total ¥30,419.
Comes back via tax return
Reduces next year's resident tax bill
| Threshold (¥100k or 5% of income) | ¥100,000 |
| Net medical expenses | ¥200,000 |
| Deduction amount | ¥100,000 |
※ Eligible: doctor visits, hospital, dental, prescriptions, transportation by public means, certain optical/orthopedic. NOT eligible: gym, supplements, cosmetics. Keep receipts. Special provision: "Self Medication" tax credit available for OTC drugs ≥¥12,000/yr.
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