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HelpTest Code IMM116 Anti-Mi-2 Ab
Additional Codes
XMI2
Specimen Required
Collection Container/Tube: 6 mL Red
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Acceptable: SST
Collection Instructions: Draw blood in a plain red-top tube(s), serum gel tube is acceptable. Separate serum from cells within 1 hour of collection and send 1 mL of serum refrigerated in a plastic vial.
Method Name
RIPA Gel Radiography
Reporting Name
Anti-Mi-2 AbSpecimen Type
SerumSpecimen Minimum Volume
0.3 mL (volume does NOT allow for repeat testing)
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | |
| Frozen | 60 days | ||
| Ambient | 7 days |
Reject Due To
| Gross hemolysis: | Reject |
| Thawing: | Warm OK; Cold OK |
| Gross lipemia: | Reject |
| Gross icterus | Reject |
| Other: | Anything other than serum; bacterial contamination |
Clinical Information
Anti-Mi-2 antibodies are found in 10-20% of adult dermatomyositis (DM) and <10% of JDM. They are associated with classic DM features: mild to moderate weakness with shawl rash, heliotrope rash, V-sign, Gottron’ s papules and have good response to therapy, with lower incidence of cancer compared to Mi-2 negative DM.
Reference Values
Negative
Performing Laboratory
Esoterix EndocrinologyTest Classification
This test was developed and its performance characteristics validated by LabCorp. It has not been cleared or approved by the Food and Drug Administration.CPT Code Information
83516
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FFMI2 | Anti-Mi-2 Ab | 18485-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| FFMI2 | Anti-Mi-2 Ab | 18485-3 |
Day(s) Performed
Daily