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Medically Unlikely Edits: Avoid denials and appeals by properly coding the first time

March 25, 2026
First Coast wants you to prevent claim denials or appeals by coding the appropriate number of units correctly the first time.

Modifier 24 flowchart

March 25, 2026
Use this decision flowchart to assist in correctly applying the 24 modifier.

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).

Revision to social determinants of health risk assessment (HCPCS code G0136)

March 25, 2026
CMS recently revised the code descriptor for HCPCS code G0136 to remove the social determinants of health risk (SDOH) assessment. The code remains on the Medicare telehealth services list. View this article for details on the new assessment…

Modifier 66 fact sheet

March 30, 2026
Surgeons append modifier 66 to claims indicating they were on a team of surgeons performing a specific procedure on the same patient during the same operative session. Billing modifier 66 requires documentation to support the claim.

Billing modifier 79

March 30, 2026
Read this article for information about billing modifier 79.

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.

Modifier 58 flowchart

March 17, 2026
Use this decision flowchart to assist in correctly applying the 58 modifier.

Modifier 78 flowchart

March 17, 2026
Use this decision flowchart to assist in correctly applying the 78 modifier.

Modifier 79 flowchart

March 17, 2026
Use this decision flowchart to assist in correctly applying the 79 modifier.
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