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Labcorp Oklahoma, Inc.
Test Directory


Index:

IDH1/IDH2 Mutation Analysis

Order Name IDH1/IDH2 Mutation
Test Number: 6907379
Revision Date 02/02/2022
Test Name Methodology LOINC Code
IDH1/IDH2 Mutation Analysis
Polymerase Chain Reaction/Pyrosequencing  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred See Instructions Tissue Paraffin Block Room Temperature
Alternate 1 5 mL (3 mL) Whole Blood EDTA (Lavender Top) Room Temperature
Alternate 2 5 mL (3 mL) Bone Marrow EDTA (Lavender Top) Room Temperature
Instructions Collection Instructions:  Collect whole blood in or add bone marrow aspirate to appropriately anticoagulated tube, invert several times to mix specimen.
DO NOT CENTRIFUGE; specimen must be kept in original container.
Rejection Criteria:  Tissue specimens with no tumor, frozen specimens and specimens fixed/processed in alternative fixatives (alcohol Prefer ® ) or fixatives containing heavy metals.
Specimen processing: Paraffin-embedded, formalin-fixed tissue block or unstained 5µm slides, preferably 5 slides. If the specimen to be tested is a needle biopsy or contains <50% tumor please send 10 unstained 5µm slides.
Stability: Ambient - Indefinite; Refrigerated - indefinite; Frozen - Unacceptable

 
GENERAL INFORMATION
Testing Schedule Thursdays 
Expected TAT Within 10 days  
Notes Reference Lab: Tricore
Test Code: MDIDH 
Click Here to view information on the Tricore website.

United Healthcare Insurance requires that each component of this panel has a Pre-Authorization obtained.
Please submit the following tests for Pre-Authorization when the patient has United Healthcare insurance.
6907379A - IDH1 Mutation
6907379B - IDH2 Mutation
CPT Code(s) 81120, 81121, G0452-26
Lab Section Reference Lab