HMBS

hydroxymethylbilane synthase
OMIM: 609806, Gene2Phenotype

13 panels

Panel Reviews Mode of inheritance Details
13 panels
Amber HMBS in White matter disorders and cerebral calcification - narrow panel


Version 3.35
Latest signed off version: v3.0 (22 Mar 2023)

Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Amber
    Phenotypes
    • Leukoencephalopathy, HP:0002352
    Tags
    • Q1_24_promote_green
    Amber HMBS in Ataxia and cerebellar anomalies - narrow panel


    Version 4.64
    Latest signed off version: v4.0 (22 Mar 2023)

    Component of the following Super Panels:

  • Hereditary ataxia and cerebellar anomalies - childhood onset
  • review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Amber
    • Literature
    Phenotypes
    • Leukoencephalopathy, HP:0002352
    • cerebellar ataxia, MONDO:0000437
    Tags
    • Q1_24_promote_green
    Green HMBS in Non-acute porphyrias


    Version 1.24
    Latest signed off version: v1.4 (15 Oct 2020)

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    • Other
    • NHS GMS
    Phenotypes
    • Porphyria, acute intermittent, nonerythroid variant OMIM:176000
    • Porphyria, acute intermittent OMIM:176000
    • acute intermittent porphyria MONDO:0008294
    Red HMBS in Inherited white matter disorders

    Level 3: White matter disorders
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.180

    review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Red
    • Expert list
    Amber HMBS in Cutaneous photosensitivity with a likely genetic cause


    Version 3.5
    Latest signed off version: v3.0 (22 Mar 2023)

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Amber
    • NHS GMS
    • Expert Review
    Phenotypes
    • Porphyria, acute intermittent, 176000
    • Acute intermittent porphyria (Acute neuropathic porphyrias)
    • Porphyria, acute intermittent, nonerythroid variant, 176000
    Amber HMBS in Childhood onset hereditary spastic paraplegia


    Version 4.43
    Latest signed off version: v4.0 (22 Mar 2023)

    review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Amber
    • Literature
    Phenotypes
    • Leukoencephalopathy, HP:0002352
    • hereditary spastic paraplegia, MONDO:0019064
    Tags
    • Q1_24_promote_green
    Green HMBS in Undiagnosed metabolic disorders

    Level 3: Specific metabolic abnormalities
    Level 2: Metabolic disorders
    Version 1.617

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    • Literature
    Phenotypes
    • Acute intermittent porphyria (Acute neuropathic porphyrias)
    • Porphyria, acute intermittent, 176000
    • Porphyria, acute intermittent, nonerythroid variant, 176000
    Green HMBS in Likely inborn error of metabolism - targeted testing not possible


    Version 4.137
    Latest signed off version: v4.0 (22 Mar 2023)

    Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • Hypotonic infant
  • Paediatric disorders
  • Unexplained death in infancy and sudden unexplained death in childhood
  • review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • London North GLH
    • NHS GMS
    • Expert Review Green
    Phenotypes
    • Porphyria, acute intermittent, nonerythroid variant, 176000
    • Acute intermittent porphyria (Acute neuropathic porphyrias)
    • Porphyria, acute intermittent, 176000
    Green HMBS in Hereditary neuropathy

    Level 3: Motor and Sensory Disorders of the PNS
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.477

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    • NHS GMS
    • London North GLH
    Phenotypes
    • Porphyria, acute intermittent, 176000
    • AIP, Abdominal pain, psychosis, depression, seizures, axonal predominantly motor neuropathy
    Green HMBS in Hereditary neuropathy or pain disorder


    Version 3.94
    Latest signed off version: v3.24 (15 May 2023)

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    • London North GLH
    • NHS GMS
    • NHS GMS
    • London North GLH
    Phenotypes
    • Porphyria, acute intermittent, OMIM:76000
    • Porphyria, acute intermittent, nonerythroid variant, OMIM:176000
    • Leukoencephalopathy, HP:0002352
    • hereditary peripheral neuropathy, MONDO:0020127
    Tags
    • Q1_24_MOI
    Red HMBS in Childhood onset dystonia, chorea or related movement disorder


    Version 3.77
    Latest signed off version: v3.0 (22 Mar 2023)

    review Not set
    Sources
    • Expert Review Red
    • London North GLH
    Green HMBS in Severe Paediatric Disorders


    Version 1.184

    review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
    Sources
    • Next Generation Children Project
    • Expert Review Green
    • Expert list
    Phenotypes
    • Porphyria, acute intermittent, 176000
    • Porphyria, acute intermittent, nonerythroid variant, 176000
    Green HMBS in Acute intermittent porphyria


    Version 1.1
    Latest signed off version: v1.0 (14 Sep 2023)

    review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
    Sources
    • NHS GMS
    • Expert Review Green