Test Overview

Test Methodology


Test Usage

Anti-TIF-1 gamma / TIF-1 alpha antibodies are present in 15-38% of adult DM and 20-30% in JDM. Highly associated with malignancy which is found in 50-75% of positive adults patients; 89% specificity and 78% sensitivity for diagnosing cancer-associated DM; no cancer association in children.

Test Details

Analytic Time

7 days

Soft Order Code


MiChart Code

Anti-TIF gamma/TIF alpha



Anti-TIF gamma/TIF alpha
TIF-1 (P155/140)

+ See More



Laboratory Reference

RDL Reference Laboratories 175

Looking to Order a Test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Specimen Requirements


Yellow Top Tube

Normal Volume

1 mL serum

Minimum Volume

0.5 mL serum

Additional Information

Test sent to RDL Reference Laboratories.

Billing Information

Fee Codes

CPT Code


Have More Billing Questions?

Explore our helpful billing resources:

Billing Resources

Billing FAQ