Cobalamin/Propionate/Homocysteine Metabolism Related Disorders Panel, Sequencing and Deletion/Duplication

2011157
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Additional Technical Information

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Cobalamin/Propionate/Homocysteine-Related Disorders Gene Panel Patient History Form

Ordering Recommendation

Confirm suspected cobalamin (vitamin B12)/propionate/homocysteine metabolism-related disorder in individuals with clinical symptoms and/or biochemical findings. Do not use to assess vitamin B12 level.

Mnemonic

VB12 PANEL

Methodology

Massively Parallel Sequencing

Performed

Varies

Reported

14-21 days

New York DOH Approval Status

Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.

Specimen Required

Patient Preparation
Collect

Lavender or pink (EDTA) or yellow (ACD solution A or B).

Specimen Preparation

Transport 3 mL whole blood. (Min: 2 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Serum or plasma; grossly hemolyzed or frozen specimens; saliva, buccal brush, or swab; FFPE tissue.

Remarks
Stability

Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable

Reference Interval

By report

Interpretive Data

Refer to report.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Counseling and informed consent are recommended for genetic testing. Consent forms are available online.

Compliance Category

Laboratory Developed Test (LDT)

Note

Genes Tested: ABCD4*; ACSF3; ADK; AHCY; AMN*; CBLIF; CBS*; CD320; CTH; CUBN; HCFC1; IVD*; LMBRD1; MAT1A; MCEE; MLYCD; MMAA; MMAB; MMACHC; MMADHC; MMUT; MTHFR; MTR; MTRR; PCCA*; PCCB; SUCLA2; SUCLG1; TCN2

*One or more exons are not covered by sequencing and/or deletion/duplication analysis for the indicated gene; see additional technical information

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
08/15/2022
X
X
X
X
X
N/A

CPT Codes

81404; 81405; 81406; 81479

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Components

Component Test Code* Component Chart Name LOINC
2011224 Cobalamin/Propionate/Homocysteine Spec 31208-2
2011227 Cobalamin/Propionate/Homocysteine Int 35474-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Combined malonic and methylmalonic aciduria
  • Homocystinuria due to cystathionine beta-synthase deficiency
  • Homocystinuria due to deficiency of N(5,10)-methylenetetrahydrofolate reductase activity
  • Homocystinuria-megaloblastic anemia, cbl E type
  • Homocystinuria-megaloblastic anemia, cblG type
  • Hypermethioninemia due to adenosinekinase deficiency
  • Hypermethioninemia due to glycine-N-methyltransferase deficiency
  • Hypermethioninemia due to S-adenosylhomocysteine hydrolyase deficiency
  • Intrinsic factor deficiency
  • Megaloblastic anemia-1, Finnish type
  • Megaloblastic anemia-1, Norwegian type
  • Methionine adenosyltransferase deficiency
  • Methylmalonic acidemia and homocysteinemia, cblX type
  • Methylmalonic aciduria and homocystinuria, cblC type
  • Methylmalonic aciduria and homocystinuria, cblD type
  • Methylmalonic aciduria and homocystinuria, cblF type
  • Methylmalonic aciduria and homocystinuria, cblJ type
  • Methylmalonic aciduria due to methylmalonyl-CoA mutase deficiency (mut(0) type)
  • Methylmalonic aciduria due to transcobalamin receptor defect
  • Methylmalonic aciduria, cblA type
  • Methylmalonic aciduria, cblB type
  • Methylmalonyl-CoA epimerase deficiency
  • Mitochondrial DNA depletion syndrome 5 (encephalomyopathic with or without methylmalonic aciduria)
  • Mitochondrial DNA depletion syndrome 9 (encephalomyopathic type with methylmalonic aciduria)
  • Propionic acidemia
  • Transcobalamin I deficiency
  • Transcobalamin II deficiency
Cobalamin/Propionate/Homocysteine Metabolism Related Disorders Panel, Sequencing and Deletion/Duplication