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. 2022 Apr 12;17:163. doi: 10.1186/s13023-022-02299-5

Table 2.

Direct medical cost of rare diseases by age, insurance coverage, and type of service, in 2019

Total excess medical cost due to RD Per-person (2019 $)
(in Million $) Percentage of the total (%)
Age
 < 18 42,381 9.4 32,037
 18–64 248,198 55.2 29,647
 ≥ 65 158,884 35.3 27,157
Insurance
 Medicaid 43,621 9.7 27,573
 Commercial 213,094 47.4 29,910
 Medicare 192,747 42.9 28,185
Type of service
 Inpatient 143,000 31.8 9199
 Prescription medication 79,466 17.7 5112
 Outpatient 62,032 13.8 3990
 Other ancillary 48,974 10.9 3150
 Outpatient prescription administration 47,567 10.6 3060
 Physician 31,372 7.0 2018
 Non-acute inpatient 30,759 6.8 1979
 Durable medical equipment 4,401 1.0 283
 Caregiver 1890 0.4 122
Overall 449,462 100 28,913

Source: RD prevalence calculated from claims data:2018 de-identified Normative Health Information (dNHI) claims, a large claims database for the privately insured, 2019 Medicare 5%, and 2016 Medicaid, combined with the 2019 Census population projections; direct medical cost estimates also based on three claims databases. Other ancillary services include telehealth, ambulance transportation via land, air or water, mobile unit services, etc.