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Test Code LKM Liver/Kidney Microsome Type 1 Antibodies, Serum

Additional Codes

Mayo Test ID
LKM

Reporting Name

Liver/Kidney Microsome Type 1 Ab, S

Useful For

Evaluation of patients with liver disease of unknown etiology

 

Evaluation of patients with suspected autoimmune hepatitis

Testing Algorithm

For more information see First-Line Screening for Autoimmune Liver Disease Algorithm.

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen 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

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK
Heat treated Reject

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

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LKM Liver/Kidney Microsome Type 1 Ab, S 32220-6

 

Result ID Test Result Name Result LOINC Value
LKM Liver/Kidney Microsome Type 1 Ab, S 32220-6

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Report Available

2 to 4 days

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)