Methylenetetrahydrofolate Reductase (MTHFR) ThermolabileVariant, DNA Analysis
Test Code: 511238
Performing Lab: LabCorp
CPT Code: 81291 001
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Synonym
Hyperhomocysteinemia, C677T and A1298C Mutations; MTHFR
Specimen Type
Whole blood OR LabCorp buccal swab kit (buccal swab collection kit contains instructions for use of a buccal swab)
Specimen Container
Lavender-top (EDTA) tube, yellow-top (ACD) tube, OR LabCorp buccal swab kit
Volume
7 mL whole blood OR LabCorp buccal swab kit
Minimum Volume
3 mL whole blood OR two buccal swabs
Unacceptable Conditions
Frozen or hemolyzed specimen; quantity not sufficient for analysis; improper container; one buccal swab; wet buccal swab
Temperature
Maintain specimen at room temperature or refrigerate.
Methodology
Polymerase chain reaction (PCR) and restriction enzyme analysis
Result Code
Result Name
LOINC
511239
MTHFR, DNA Analysis
21709-1
512254
Reviewed by:
56850-1
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