3-Hydroxy-3-methylglutaryl-CoA lyase (HMG-CoA lyase) Fibroblasts
3-Methylcrotonyl-CoA carboxylase (3-Methylcrotonyl Glycinuria) Fibroblasts
7-Dehydrocholesterol (Smith-Lemli-Opitz syndrome) Plasma [ EDTA ] (2ml)
Acetyl CoA alpha-glucosaminide -N-Acetyltransferase (MPS-IIIC, Sanfilippo C) Whole blood [ EDTA ] (5ml) or Fibroblasts
Acyl carnitines Plasma or Dried bloodspot
Alpha-fucosidase (fucosidosis) Whole blood [ EDTA ] or Fibroblasts
Alpha-galactosidase A (Fabry disease) Whole blood [ EDTA ] or Fibroblasts (contact lab) or Dried Bloodspot
Alpha-glucosidase - acid maltase (GSD Type II – Pompe disease) Whole blood [ EDTA ] (5ml within 48hrs of collection) or Fibroblasts (discuss with lab) or Dried Bloodspot
Alpha-iduronidase (MPS Type I – Hurler or Sheie) Whole blood [ EDTA ] or Fibroblasts (discuss with lab)
Alpha-mannosidase (Alpha-mannosidosis) Whole blood [ EDTA ] or Fibroblasts (discuss with lab)
Amino acids (qualitative) Urine (random plain)
Amino acids (quantitative) Plasma [ LithiumHeparin ] or Dried Bloodspot (2 full circles soaked through on guthrie card)
Argininosuccinate lyase (Argininosuccinate aciduria) Fibroblasts (discuss with lab)
Argininosuccinate synthase (Citrullinaemia type I) Fibroblasts (discuss with lab)
Arylsulphatase A (Metachromatic leukodystrophy) Whole blood [ EDTA ] or Fibroblasts (discuss with lab)
Beta galactocerebrosidase (Galactosylceramidase) (Krabbe disease)Whole blood [ EDTA ] (5mls) or Fibroblasts
Beta-galactosidase (MPS Type IVB) Whole blood [ EDTA ] or Fibroblasts (discuss with lab)
Beta-glucosidase – glucocerebrosidase (Gaucher disease) Whole blood [ EDTA ] or Fibroblasts (discuss with lab)
Beta-glucuronidase (MPS Type VII) Whole blood [ EDTA ] or Fibroblasts (discuss with lab)
Beta-mannosidase (Beta-mannosidosis) Whole blood [ EDTA ] or Fibroblasts (discuss with lab)
Biotinidase Plasma [ LithiumHeparin ]
Chitotriosidase (non-specific marker of storage / biomarker for Gaucher disease) Plasma [ EDTA ] (at least 2mls)
Cholestanol (CTX - Cerebrotendinous xanthomatosis) Plasma [ EDTA ]
Cystine in white blood cells (cystinosis)Whole blood [ Lithium-Heparin ] (to be received within 24hrs of collection)
Filipin staining (Niemann-Pick Type C) Fibroblasts (discuss with lab)
Galactose-1-phosphate (Galactosaemia monitoring) Whole blood [ Lithium Heparin ]
Galactose-1-phosphate uridyltransferase (Galactosaemia diagnosis) Whole blood [ Lithium Heparin ]
Glycosaminoglycans/mucopolysaccharides (MPS screen) Urine plain (10mls Random)
Hexosaminidase A (GM2-gangliosidosis Type 1; Tay-Sachs disease) Whole Blood or Plasma [ EDTA ] or Fibroblasts (1x 25cm)
Hexosaminidase A and B (GM2-gangliosidosis Type 2; Sandhoff disease) Whole Blood or Plasma [ EDTA ] or Fibroblasts (1x 25cm)
Holocarboxylase synthetase Fibroblasts (discuss with lab)
Iduronate sulphatase (MPS Type II; Hunter) Plasma [ EDTA ] (5mls) or Fibroblasts (discuss with lab)
Leucine decarboxylase Fibroblasts (discuss with lab)
Lysosomal acid lipase (Wolman disease/Cholesteryl ester storage disease) Whole Blood [ EDTA ] or Fibroblasts (1x 25cm)
Lysosomal Enzyme Screen (detects 16 different lysosomal storage disorders)Whole blood [ EDTA ] (5mls)
Multiple Hydrolases (Mucolipidosis II /III (I-cell disease, pseudo-Hurler polydystrophy))Plasma [ EDTA ] (3mls) or Fibroblasts
Multiple sulphatases (Multiple sulphatase deficiency)Whole blood [ EDTA ] (5mls) or Fibroblasts
N-Acetyl-alpha-glucosaminidase (MPS IIIB, Sanfillipo B syndrome) Whole blood [ EDTA ] or Fibroblasts
N-Acetylgalactosamine-4-sulphatase (Arylsulphatase B) [MPS VI, Maroteaux-Lamy syndrome] Whole blood [ EDTA ] or Fibroblasts
N-Acetylgalactosamine-6-sulphatase (MPS IV A, Morquio A disease) Whole blood [ EDTA ] or Fibroblasts
N-Acetylgalactosaminidase (Schindler disease) Whole blood [ EDTA ] or Fibroblasts
N-Aspartyl-beta-glucosaminidase (Aspartylglucosaminidase) [Aspartylglucosaminuria] Whole blood [ EDTA ] or Fibroblasts
Neuraminidase (sialidosis) Fibroblasts
Non-Immune Hydrops Screen (detects 9 different lysosomal storage disorders)Fibroblasts or cultured chorionic villus or cultured amniotic fluid (please contact laboratory)
Oligosaccharides Urine plain (random)
Organic acids (Qualitative) Urine plain (random)
Orotic acid, orotate Urine plain (random)
Oxysterol (Nieman-Pick disease Type C) Plasma [ EDTA ] (separate and freeze on day of sampling)
Palmitoyl protein thioesterase 1 (Neuronal ceroid lipofuscinosis 1) Whole blood [ EDTA ]
Phenylalanine/tyrosine (Phenylketonuria monitoring) Plasma [ Lithium Heparin ] or Dried Bloodspot
Phytanate, phytanic acid (Peroxisomal disorders) Plasma [ Lithium Heparin or EDTA ]
Plasma lysosomal enzymes (Mucolipidosis II (I-cell disease); mucolipidosis type III (pseudo-Hurler dystrophy)) Plasma [ EDTA ] or Fibroblasts
Plasmalogens (Peroxisomal disorders) Whole blood [ EDTA ]
Pristanic acid, pristanate (peroxisomal disorders) Plasma [ Lithium Heparin or EDTA ]
Propionyl Co A carboxylase Fibroblasts
Pyruvate carboxylase (Pyruvate carboxylase deficiency) Fibroblasts
Sialic acid Urine plain (random) or Fibroblasts
Sphingomyelinase (Niemann-Pick disease types A +B) Whole blood [ EDTA ] or Fibroblasts
Steroid sulphatase (Arylsulphatase C) (X-linked ichthyosis) Whole blood [ EDTA ] (5mls) or Fibroblasts
Sugar ChromatographyUrine (Random 2ml)
Sulphamidase (Heparan N Sulphatase) [MPS IIIA] Whole blood [ EDTA ] or Fibroblasts
Total HomocysteinePlasma [ Lithium-Heparin ]
Tripeptidyl peptidase I (Neuronal ceroid lipofuscinosis 2) Whole blood [ EDTA ]
Very long chain fatty acids Plasma [ Lithium Heparin or EDTA ]