ANTIMITOCHONDRIAL ANTIBODY

Test Code

AMA2

Alias/See Also

Mitochondria; Mitochondrial

CPT Codes
86381

Includes

This test includes a titer

Preferred Specimen

1 Gold tube (gel separator)

Minimum Volume

0.3 mL

Instructions

Centrifuge for complete separation of serum and red cells. Refrigerate until tested.

Transport Temperature

Refrigerate

Specimen Stability

15-30°C up to 8 hours
2-8°C up to 2 days; otherwise freeze

Methodology
IFA

Setup Schedule

M, W, F

Report Available

Within 24 hours of day tested at the performing laboratory. If repeat testing is needed, results will be delayed until the next day test is performed.

Reference Range

<1:20

Clinical Significance

A high anti-mitochondrial (AMA) titer supports the diagnosis of primary biliary cirrhosis; low titers of AMA may be detected in other liver disorders which include chronic active hepatitis and cryptogenic cirrhosis.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NIM1 (Immunology, Manual)

Last Updated: June 13, 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.