ðˈɛɹfoːɹ, ðə fˈʌŋkʃənəl kəpˈæsᵻɾi əvə pɚtˈɪkjʊlɚɹ ˈɔːɹɡən ɔːɹ sˈɪstəm ʌvðə bˈɑːdi, ɹˈæðɚ ðɐn ðə dˈiːfɛkt pˌɜː sˈeɪ, ɪz ɪvˈæljuːˌeɪɾᵻd ɪn dɪtˈɜːmɪnɪŋ ðə nuːmˈɛɹɪkəl dˌɛzɪɡnˈeɪʃən wˈʌn, tˈuː, θɹˈiː, ɔːɹ fˈoːɹ.
Therefore, the functional capacity of a particular organ or system of the body, rather than the defect per se, is evaluated in determining the numerical designation 1, 2, 3, or 4.