Level 2: Viral research
Version 1.141
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review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- IUIS Classification February 2018
- SCID v1.6
- A- or hypo-gammaglobulinaemia v1.25
- London North GLH
- NHS GMS
- GRID V2.0
- Congenital neutropaenia v1.22
- Victorian Clinical Genetics Services
- North West GLH
- ESID Registry 20171117
- Combined B and T cell defect v1.12
- Agranulocytosis v1.3
- Expert Review Green
- NHS GMS
- North West GLH
- London North GLH
- IUIS Classification February 2018
- Victorian Clinical Genetics Services
- Expert Review Green
- ESID Registry 20171117
- GRID V2.0
- Congenital neutropaenia v1.22
- SCID v1.6
- Combined B and T cell defect v1.12
- Agranulocytosis v1.3
- A- or hypo-gammaglobulinaemia v1.25
Phenotypes
- Transcobalamin-2 precursor
- Transcobalamin II deficiency
- Agammaglobulinemia
- Megaloblastic anemia, pancytopenia, if untreated for prolonged periods results in intellectual disability
- pancytopenia
- Transcobalamin II deficiency, 275350
- neutropenic colitis
- Defects of Vitamin B12 and Folate metabolism
- megaloblastic bone
- can have a presentation similar to severe combined immunodeficiency
- Combined immunodeficiencies with associated or syndromic features
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Version 4.201
Latest signed off version: v4.0
(22 Mar 2023)
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review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- Expert Review Green
- Other
- NHS GMS
- North West GLH
- London North GLH
- IUIS Classification February 2018
- Victorian Clinical Genetics Services
- ESID Registry 20171117
- GRID V2.0
- Congenital neutropaenia v1.22
- SCID v1.6
- Combined B and T cell defect v1.12
- Agranulocytosis v1.3
- A- or hypo-gammaglobulinaemia v1.25
Phenotypes
- Transcobalamin II deficiency, 275350
- Transcobalamin II deficiency
- can have a presentation similar to severe combined immunodeficiency
- pancytopenia
- neutropenic colitis
- Agammaglobulinemia
- megaloblastic bone
- Transcobalamin-2 precursor
- Defects of Vitamin B12 and Folate metabolism
- Megaloblastic anemia, pancytopenia, if untreated for prolonged periods results in intellectual disability
- Combined immunodeficiencies with associated or syndromic features
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Level 3: Anaemias and red cell disorders
Level 2: Haematological disorders
Version 1.118
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review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- Expert Review Green
- Literature
Phenotypes
- Transcobalamin II deficiency
- can have a presentation similar to severe combined immunodeficiency
- pancytopenia
- neutropenic colitis
- Agammaglobulinemia
- megaloblastic bone marrow
- thrombocytopenia
- neutropenia
- failure to thrive
- hypotonia, myoclonic like movements, pallor, purpura, anaemia, thrombocytopenia, megaloblastosis, aplastic bone marrow.
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Version 3.8
Latest signed off version: v3.0
(22 Mar 2023)
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review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- Expert Review Green
- North West GLH
- Yorkshire and North East GLH
- London South GLH
- NHS GMS
- Wessex and West Midlands GLH
Phenotypes
- megaloblastic bone marrow
- failure to thrive
- 275350 Transcobalamin II deficiency
- pancytopenia
- neutropenic colitis
- thrombocytopenia
- Transcobalamin II deficiency
- neutropenia
- hypotonia, myoclonic like movements, pallor, purpura, anaemia, thrombocytopenia, megaloblastosis, aplastic bone marrow
- can have a presentation similar to severe combined immunodeficiency
- Agammaglobulinemia
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Version 3.32
Latest signed off version: v3.0
(22 Mar 2023)
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review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- Expert Review Amber
- Expert review Amber
- NHS GMS
- North West GLH
- London South GLH
- Yorkshire and North East GLH
- Wessex and West Midlands GLH
Phenotypes
- Transcobalamin II deficiency, 275350
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Level 3: Specific metabolic abnormalities
Level 2: Metabolic disorders
Version 1.617
|
review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- Expert Review Green
- Literature
Phenotypes
- Transcobalamin II deficiency (Disorders of cobalamin absorption, transport and metabolism)
- A- or hypo-gammaglobulinaemia
- Agranulocytosis
- Combined B and T cell defect
- Congenital neutropaenia
- Intellectual disability
- SCID
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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
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review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- Expert Review Green
- London North GLH
- NHS GMS
Phenotypes
- Congenital neutropaenia
- Intellectual disability
- A- or hypo-gammaglobulinaemia
- Agranulocytosis
- Combined B and T cell defect
- SCID
- Transcobalamin II deficiency (Disorders of cobalamin absorption, transport and metabolism)
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Version 3.157
Latest signed off version: v3.0
(22 Mar 2023)
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review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- Expert Review Red
- PAGE DD-Gene2Phenotype
Phenotypes
- Transcobalamin II deficiency
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Version 3.87
Latest signed off version: v3.1
(22 Mar 2023)
Component of the following Super Panels:
Paediatric disorders
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review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- DD-Gene2Phenotype
- Expert Review Green
Phenotypes
- Transcobalamin II deficiency
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Level 3: Neurodevelopmental disorders
Level 2: Neurology and neurodevelopmental disorders
Version 5.536
Latest signed off version: v5.0
(22 Mar 2023)
Component of the following Super Panels:
Childhood onset leukodystrophy
Hypotonic infant
Paediatric disorders
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review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- Expert Review Green
- Literature
Phenotypes
- Transcobalamin II deficiency
- can have a presentation similar to severe combined immunodeficiency
- pancytopenia
- neutropenic colitis
- Agammaglobulinemia
- megaloblastic bone marrow
- thrombocytopenia
- neutropenia
- failure to thrive
- hypotonia, myoclonic like movements, pallor, purpura, anaemia, thrombocytopenia, megaloblastosis, aplastic bone marrow.
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Version 3.77
Latest signed off version: v3.0
(22 Mar 2023)
|
review
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Not set
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Sources
- Expert Review Red
- London North GLH
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Version 1.184
|
review
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BIALLELIC, autosomal or pseudoautosomal
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Sources
- Next Generation Children Project
- Expert Review Green
- Expert list
Phenotypes
- Transcobalamin II deficiency, 275350
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