Update Type: Test Methodology Changed
Test Updated: 07/14/2021
Test Overview
Test Methodology

Sequence Capture and Next-Generation Sequencing (NGS)/Polymerase Chain Reaction (PCR), Sanger
Sequencing and/or Multiplex Ligation-Dependent Probe Amplification (MLPA)

Test Usage

Carrier testing for individuals with family history; prenatal diagnosis in at-risk pregnancies; carrier screening for Individuals of Ashkenazi Jewish Descent; confirmation of clinical diagnosis (however, note that testing for N-acetylaspartic acid in urine is the preferred method of establishing the diagnosis of Canavan Disease).

Reference Range *

Interpretive report provided

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Varies
Analytic Time

4 - 5 weeks

Soft Order Code
MMLR
MiChart Code
Canavan Disease Mutation Detection(Sendout)
Synonyms
  • CANW
  • Canavan Disease Mutation
  • CANP
Laboratory
Sendout
Reference Laboratory
Mayo CGPH
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in sufficient yellow top (ACD) solution A or a lavender top tubes. Send intact whole blood at room temperature. Amniotic Fluid (20 mL in 2 sterile tubes, refrigerated) or Chorionic Villus (20 mg in sterile transport medium, refrigerated) specimens are also acceptable. All prenatal specimens must be accompanied by a maternal blood specimen.

Normal Volume
3 mL whole blood or 20 mL amniotic fluid
Minimum Volume
0.5 mL whole blood or 10 mL amniotic fluid
Additional Information

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
81479