Japan

Access & coverage

Statutory insurance, fee schedule

Statutory insurance + national fee schedule; almost universal access

Treatment

• Specialist centers for rare / congenital conditions
• Supportive and palliative care when curative options are limited
• Case management across social and medical services

Prevention

• Antenatal care; newborn screening where relevant
• Public-health programs aimed at the specific residual causes
• Social supports that reduce vulnerability

Lifestyle

• Cause-specific advice via primary care
• Family education for congenital / neonatal survivors
• Avoidance of known toxins / teratogens

What stands out here

Same broad other toolkit as peers — differences are coverage rules, wait times, prices, and follow-through.