Vitamin B12 Deficiency (Un-)Detected Using Newborn Screening in Norway

• Main Authors: Trine Tangeraas (Author), Ulf W. Ljungblad (Author), Elma Lutvica (Author), Erle Kristensen (Author), Alex D. Rowe (Author), Anne-Lise (Author), Terje Rootwelt-Revheim (Author), Ingjerd Sæves (Author), Rolf D. Pettersen (Author)
• Format: Book
• Published: MDPI AG, 2023-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Untreated vitamin B12 (B12) deficiency may cause delayed development in infants. Several newborn screening (NBS) programs have reported an increased detection rate of B12 deficiency when second-tier dried blood spot (DBS) analyses of total homocysteine (tHcy) and methylmalonic acid (MMA) are include...