In Japan, neonatal screening was previously performed on infants within one month of birth; infants demonstrating a blood histidine level of 6 mg/dl or more underwent careful testing as suspected histidinemia cases.
ɪn dʒəpˈæn, nˈiːoʊnˌeɪɾəl skɹˈiːnɪŋ wʌz pɹˈiːviəsli pɚfˈɔːɹmd ˌɔn ˈɪnfənts wɪðˌɪn wˈʌn mˈʌnθ ʌv bˈɜːθ; ˈɪnfənts dˈɛmənstɹˌeɪɾɪŋ ɐ blˈʌd hˈɪstɪdˌiːn lˈɛvəl ʌv sˈɪks ˌɛmdʒˈiː slˈæʃ dˌiːˈɛl ɔːɹ mˈoːɹ ˌʌndɚwˈɛnt kˈɛɹfəl tˈɛstɪŋ æz səspˈɛktᵻd hˌɪstɪdaɪnˈiːmiə kˈeɪsᵻz.