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LCHADD Mutation Panel
LCHADD Mutation Panel
LCHADD Mutation Panel
This assay tests for 1 variant in the HADHA gene, which is associated with LCHAD deficiency.
| Test Code | D0407 |
|---|---|
| Test Summary |
This assay tests for 1 variant in the HADHA gene, which is associated with LCHAD deficiency. |
| Turn Around Time | 10 - 12 days |
| Acceptable Sample Types | Dried Blood Spots |
| Acceptable Billing Types | Institutional Billing , Self (patient) Payment |
| NY Approved | Yes |
| CPT Codes** | 81479(x1) |
| Self (patient) Price | $148.50 |
|---|---|
| Institutional Price | $148.50 |
**The CPT codes listed are in accordance with Current Procedural Terminology, a publication of the American Medical Association, and are provided for informational purposes only. CPT coding is the sole responsibility of the billing party.
This testing service has not been cleared or approved by the U.S. Food and Drug Administration. Testing services may not be licensed in accordance with the laws in all countries. The availability of specific test offerings is dependent upon laboratory location.
Test information
Test description
This test detects the c.1528G>C variant in the HADHA gene.
Condition description
LCHAD deficiency is a disease that prevents the body from burning certain fats for energy. The age of onset is typically in infancy, and symptoms include feeding problems, lethargy, hypoglycemia, hypotonia, liver problems, abnormalities of the retina, muscle pain, muscle breakdown, and peripheral neuropathy. The disease also has increased heart problems, breathing difficulties, coma, and sudden death risks. The condition can be managed with a strict diet and avoiding periods of fasting. The incidence of LCHAD deficiency is unknown.
Test methods and limitations
Gene analysis for the various targeted mutations is performed by polymerase chain reaction and melting curve analysis to detect the mutant and wild-type forms of the gene. Sequence-specific oligonucleotide probes are labeled with fluorescent dyes, which hybridize to their complementary sequence target in PCR products. The fluorescence resonance energy transfer (FRET) from one fluorophore to another adjacent fluorophore is measurable and is directly proportional to the amount of target DNA generated during PCR. Allele-specific melting curves are generated by slow thermal denaturing of the probe: template hybrid. Melting curves are generated by monitoring fluorescence throughout denaturation, and melting peaks are generated by plotting the inverse derivative of fluorescence versus temperature (−dF/dT).
Detailed sample requirements
Dried Blood Spots
| Collection Container(s) |
Dried blood spot card |
|---|---|
| Collection |
Follow kit instructions. Briefly, allow blood to saturate the card until indicated areas are filled and blood has soaked through the card. Air dry the card at ambient temperature for at least 3 hours.
|
| Sample Condition |
Follow the instructions provided with the collection set. Store the dried blood at ambient temperature for up to two days. If the specimen cannot be sent as soon as it is dry, the filter paper should be placed in a sealable plastic bag and stored in a refrigerator (≤ 8°C) or preferably in a freezer. |
| Shipping |
Follow kit instructions. Double bag and ship overnight at ambient temperature. |
Resources
How To Order
Choose Your Test
Select the correct test for your patient, and download and fill out the Clinical Genomics test requisition form.
Collect Sample
Obtain a sample for testing from the patient using one of the provided Revvity Omics test packs.
Send Samples
Send samples and all required forms back to Revvity for processing using pre-paid shipping label.
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