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Resources for Diagnosis of Glycine Encephalopathy (NKH)

Test search: MGH Laboratory Handbook

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Tests Offered

  • Amino acid analysis, quantitative
  • Argininosuccinate, quantitative
  • Arginase activity *
  • Canavan Disease testing, N-acetylaspartate determination
  • Carnitine, free & total
  • Fumarase activity *
  • Fumarate hydratase mutation studies *
  • Glutamine level
  • Glycine level
  • Homocitrulline
  • Homocystinuria/CBS, G307S and I278T *
  • Medium chain acyl CoA dehydrogenase (MCAD), 985A>G
  • Methylene tetrahydrofolate reductase (MTHFR), 677C>T and 1298A>C
  • Organic acid analysis by GC-MS
  • Ornithine level
  • Orotic acid
  • PKU testing
  • Succinylpurine screen
  • Sulfite Oxidase mutation studies *
  • Thiosulfate

* Done by pre-arrangement only
Specimen requirements
Please contact us by phone or email for further information, or to discuss additional special testing not listed here.

Resources for Diagnosis of Glycine Encephalopathy (NKH)

Test search: MGH Laboratory Handbook


Send feedback to rmandell@partners.org
Last updated on 14-Apr-06