Pathology/Lab Coding Alert

CPT® 2020:

Recognize PLA Drug Test Codes

You might need to pre-empt Category I.

There’s a catch for all the drug-test coding advice you read about in the preceding article.

“If your lab performs a proprietary laboratory analysis (PLA) test, you must use the appropriate PLA code instead of a Category I code,” explains William Dettwyler, MT AMT, president of Codus Medicus, a laboratory coding consulting firm in Salem, Ore.

Terminology: A PLA code describes a clinical lab test that only a single lab performs, or a test from a specific manufacturer.

The following table shows current PLA drug test codes that you should know.