| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Titin Autoantibody Test
Test Code92792
CPT Codes
83520
Preferred Specimen
2 mL serum
Minimum Volume
0.5 mL
Instructions
Serum must be separated from whole blood within 48 hours of collection.
Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Transport Container
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 21 days
Frozen: 11 months
Refrigerated: 21 days
Frozen: 11 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Turbid • Bacterial contamination
Methodology
Enzyme Linked Immunosorbent Assay (ELISA)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Athena Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Wed; Report available: 7-14 days
Reference Range
Technical Results
| Negative | <0.1 NU |
| Borderline | 0.1-0.6 NU |
| Positive | >0.6 NU |
Clinical Significance
Anti-titin antibody is a striational antibody that is associated with myasthenia gravis with an older age of onset (approximately >60 years). Anti-titin antibodies are detected in patients with thymoma associated-MG.
Performing Laboratory
Athena Diagnostics, Inc.
200 Forest Street, 2nd Floor
Marlborough, MA 01752
