| 3-HMGD | 3-hydroxy-3-methyl-glutaryl-CoA lyase deficiency (OMIM ID: 246450) |
| 3-MCCD | 3-methylcrotonyl-CoA-carboxylase deficiency (OMIM IDs: 210200, 210210) |
| 3-MGCHD | 3-methylglutaconyl-CoA hydratase deficiency (OMIM ID: 250950) |
| ALD | adrenoleucodystrophy (OMIM ID: 300100) |
| ARG | hyperargininemia due to arginase deficiency (OMIM ID: 207800) |
| ASLD | argininosuccinate lyase deficiency (OMIM ID: 207900) |
| BETA-KTD | beta-ketothiolase deficiency (OMIM ID: 203750) |
| BH4D | biopterin cofactor deficiencies (OMIM IDs 233910, 261530, 261640) |
| BIOTD | biotinidase deficiency (OMIM ID: 253260) |
| CACTD | carnitine/acylcarnitine translocase deficiency (OMIM ID: 212138) |
| CAH | congenital adrenal hyperplasia (OMIM ID: 201910 |
| CF | cystic fibrosis (OMIM ID: 219700) |
| CFTR | cystic fibrosis transmembrane conductance regulator |
| CH | congenital hypothyroidism |
| CIT | citrullinemia type 1 due to arginosuccinate synthase deficiency (OMIM ID: 215700) |
| CPT1D | carnitine palmitoyl transferase 1 deficiency (OMIM ID: 600528) |
| CPT2D | carnitine palmitoyl transferase 2 deficiency (OMIM IDs: 255110, 600649, 608836) |
| CTD | carnitine transporter deficiency (OMIM ID: 600528) |
| eNBS | expanded newborn screening |
| FAOD | fatty acid oxidation disease |
| GA1 | glutaric aciduria type 1 due to glutaryl-CoA dehydrogenase deficiency (OMIM ID: 231670) |
| GALT | galactosemia due to galactose 1-phosphate uridyl transferase deficiency (OMIM ID: 230400) |
| IEM | inborn error of metabolism |
| HCU-CBS | homocystinuria due to cystathionine-beta-synthase deficiency (OMIM ID: 236200) |
| HHH | hyperornithinemia, hyperammonemia, homocitrullinuria due to ornithine translocase deficiency (OMIM ID: 238970) |
| HLCSD | holocarboxylase synthase deficiency (OMIM ID: 253270) |
| HPA | non-PKU mild hyperphenylalaninemia (OMIM ID: 261660) |
| HT1 | hepatorenal tyrosinemia (type 1) due to fumarylacetoacetase deficiency (OMIM ID: 276700) |
| IVA | isovaleric acidemia due to isovaleryl-CoA dehydrogenase deficiency (OMIM ID: 243500) |
| LCHADD | long-chain 3-hydroxy acyl-CoA dehydrogenase deficiency (OMIM ID 609016) |
| MADD | multiple acyl-CoA dehydrogenase deficiency (OMIM ID: 231680) |
| MCADD | medium-chain acyl-CoA dehydrogenase deficiency (OMIM ID: 201450) |
| MMA | methylmalonic aciduria (many OMIM IDs, most relevant here are: 251000, 251100, 251110); |
| MPS-1H | mucopolysaccharidosis type 1H (OMIM ID: 607014) |
| MS/MS | tandem mass spectrometry |
| M/SCHADD | medium/-short-chain L-3-hydroxy acyl-CoA dehydrogenase deficiency (OMIM ID: 231530) |
| MSUD | classic maple syrup urine disease due to branched-chain alfa-keto acid dehydrogenase deficiency (OMIM ID: 248600) |
| NBS | newborn screening |
| NGS | next generation sequencing |
| PA | propionic acidemia due to propionyl-CoA carboxylase deficiency (OMIM ID: 606054) |
| PKU | classical phenylketonuria due to phenylalanine hydroxylase deficiency (OMIM ID: 261660) |
| PPV | positive predictive value |
| SCADD | short-chain acyl-CoA dehydrogenase deficiency (OMIM ID: 201470) |
| SCID | severe combined immunodeficiency |
| SSI | Statens Serum Institute |
| TPD | trifunctional protein deficiency (OMIM ID: 609015); |
| VLCADD | very long-chain acyl-CoA dehydrogenase deficiency (OMIM ID: 201475) |
| WGS | whole genome sequencing |