Laboratory Question for the Week of April 24, 2023

Question:

What is the intention behind modifier 91?

Answer:

Modifier 91 is intended to identify a laboratory test that is performed more than once on the same day for the same patient when it is necessary to obtain subsequent (multiple) results in the course of the treatment.

TAGS: CMS, Compliance, Laboratory

CPT® copyright 2023 American Medical Association (AMA). All rights reserved.

Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

CPT is a registered trademark of the American Medical Association.

Looking for an answer?

Compliance Question Archive

Sign Up for Compliance Question of the Week