Anti-Liver Kidney Microsomal Antibody

Anti-LKM-1 LKM Antibody
Serum (SST) Positive/Negative

About this test

Autoantibody against CYP2D6. Marker of autoimmune hepatitis type 2, typically affecting children and young adults. Often ANA and ASMA negative.

Reference Ranges

Sex Age Range Notes
All All ages See notes Positive or Negative

Clinical Interpretation

Low / Decreased
Negative reduces probability of AIH type 2.
High / Increased
Autoimmune hepatitis type 2 (LKM-1 positive), hepatitis C (weaker association).
Specimen
Serum (SST)
Reporting Unit
Positive/Negative

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.