Anti EJ
General Information
- Lab Name
- Anti EJ
- Lab Code
- AEJ
- Epic Name
- ANTI EJ
- Description
The battery MYOABS includes 11 different myositis related antibodies. Samples with Borderline or Positive results are sent for confirmation testing.
Autoimmune forms of myositis are associated with a variety of autoantibodies. These antibodies have a low sensitivity, but high specificity for the condition. Screening for multiple antibodies increases the overall sensitivity of the testing.
- Synonyms
- glycyl tRNA synthetase, MYOABS, Myositis antibody
- Components
-
Code Name AEJR Anti EJ Result AEJC Anti EJ Comment AEJM Anti EJ Method
Interpretation
- Method
Euroimmun Line Blot
- Reference Range
- See individual components
- Ref. Range Notes
Serum from 74 healthy blood donors was tested during method validation in 2015. In addition, patient samples with borderline results were tested at a reference lab to determine the negative/positive cut-off.
Ordering & Collection
- Specimen Type
- Blood
- Collection
-
9 mL blood in RED TOP or GOLD SST tube
- Handling Instructions
Instructions for Outside Clients: Separate serum and freeze.
- Quantity
-
Requested: 3 mL serum
Minimum: 2 mL serum
Processing
- Receiving Instructions
Separate serum and freeze.
- Misc Sendout
Performance
- Lab Department
- Immunology(IMM)
- Frequency
- Wednesday
- Available STAT?
- Note: If requested STAT the ordering physician MUST call the Laboratory Medicine Resident on-call for approval.
- Performing Location(s)
-
UW-MT Immunology
206-520-4600Clinical Lab, Room NW220,
University of Washington Medical Center,
1959 NE Pacific street, Seattle, WA 98195
Billing & Coding
- CPT Codes
- 83516
- LOINC
- 45149-2
- Interfaced Order Code
- UOW2969