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HelpOrderable Name LKM Liver/Kidney Microsome Type 1 Antibodies, Serum
Additional Codes
CNE Order Code: LK Microsome
Useful For
Evaluation of patients with liver disease of unknown etiology
Evaluation of patients with suspected autoimmune hepatitis
Specimen Type
SerumSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 21 days | |
| Frozen | 21 days |
Reference Values
≤20.0 Units (Negative)
20.1-24.9 Units (Equivocal)
≥25.0 Units (Positive)
Reference values apply to all ages.
Day(s) Performed
Monday, Wednesday, Friday
CPT Code Information
86376
Report Available
2 to 4 daysReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | OK |
| Heat treated | Reject |
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Forms
If not ordering electronically, complete, print, and send 1 of the following with the specimen:
-Gastroenterology and Hepatology Test Request (T728)
-General Request (T239)
Testing Algorithm
For more information see First-Line Screening for Autoimmune Liver Disease Algorithm.