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Utilizing modifier 91: Repeat clinical laboratory tests

December 23, 2025
View this article for instructions on how and when to use modifier 91.

Appropriate use of assistant at surgery modifiers and payment indicators

March 25, 2026
Here is clarification on the appropriate use of modifiers to report assistant at surgery services and how payment is determined under the Medicare physician fee schedule (MPFS).

Postoperative co-management -- modifiers 54 and 55

December 23, 2025
When physicians transfer the care of the patient during the global care period, the use of a modifier will be necessary to distinguish who is providing care for the patient. This article explains how to properly apply modifiers when these i…

Modifier 52 fact sheet

December 23, 2025
Effective August 31, 2023, documentation is required for claims submitted with modifier 52. To avoid claim rejects and future appeals due to incorrect claim submissions, we’re providing guidance on how to properly submit a claim when applyi…

Modifier 73 fact sheet

December 23, 2025
Use modifier 73 to report discontinued outpatient or hospital ambulatory surgical center (ASC) procedure prior to the administration of anesthesia.

Modifier 53 fact sheet

December 23, 2025
To avoid claim denials and future appeals due to these incorrect claim submissions, we’re providing guidance on how to properly submit a claim when applying this modifier.

Utilization of modifier 76: Repeat procedures

December 23, 2025
Modifier 76 used to report repeat procedure or service by same physician or other qualified health care professional the same day. Appropriate usage

Modifier 25 fact sheet

March 10, 2026
Specific guidelines apply to the proper application and billing of modifier 25.

Coding resources: ICD-10, CPT, and HCPCS

December 23, 2025
Find resources to assist with ICD-10 compliance as well as CPT and HCPCS information.

Modifier 25 tips

March 16, 2026
These tips are based on questions posed regarding whether to bill an evaluation and management visit on the same day as a procedure or other services with modifier 25.
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