Test ID: GAL6
Galactosemia Gene Analysis (6-Mutation Panel)
Secondary ID
A test code used for billing and in test definitions created prior to November 2011
NY State Approved
Indicates the status of NY State approval and if the test is orderable for NY State clients.
Useful For
Suggests clinical disorders or settings where the test may be helpful
Second-tier test for confirming a diagnosis of galactosemia (indicated by enzymatic testing or newborn screening)
Carrier testing family members of an affected individual of known genotype (has mutations included in the panel)
Resolution of Duarte variant and LA variant genotypes
Genetics Test Information
Provides information that may help with selection of the correct test or proper submission of the test request
GALT (galactose-1-phosphate uridyltransferase) enzyme analysis (GALT/8333) is recommended prior to gene analysis. See GCT/84360 Galactosemia Reflex, Blood for comprehensive diagnostic and carrier testing.
Testing Algorithm
Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.
See Galactosemia Testing Algorithm in Special Instructions.
Special Instructions and Forms
Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name
A short description of the method used to perform the test
A real-time polymerase chain reaction (PCR)-based assay is utilized to examine DNA for 6 alterations: Q188R, S135L, L195P, K285N, N314D (Duarte), and L218L (Los Angeles).
(PCR is utilized pursuant to a license agreement with Roche Molecular Systems, Inc.)
Reporting Name
A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Aliases
Lists additional common names for a test, as an aid in searching
GALT


