Liver Kidney Microsomal (LKM-1) Antibody (IgG)

Test Code

LKMAB

Alias/See Also

LAB3239

CPT Codes
<p>86376</p>

Preferred Specimen

Specimen Type: Serum

Collection Container/Type

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1mL

Minimum Volume

0.3 mL

Transport Container

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days

Refrigerated: 14 days

Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic

Methodology

Immunoassay (IA)

Setup Schedule

Set up: Tues-Sat; Report available: 1-4 days

Report Available

1-4 days

Reference Range

≤20.0 U		Negative
20.1-24.9 U		Equivocal
≥25.0 U		Positive

Clinical Significance

The presence of LKM-1 antibodies can be used in conjunction with clinical findings and other laboratory tests to aid in the diagnosis of autoimmune liver diseases such as autoimmune hepatitis (AIH-2).

Performing Laboratory
Quest Diagnostics Nichols Institute 14225 Newbrook Drive Chantilly, VA 20153

Last Updated: February 17, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.