AMA CPT® Assistant - 2011 Issue 8 (August)
2011 Revisions to Modifiers 50, 76, 77, and 78 (August 2011)
August 2011 pages 6-7 2011 Revisions to Modifiers 50, 76, 77, and 78 This article provides an overview of the 2011 changes to CPT modifiers 50 , 76 , 77 , and 78 , specifically focusing on appropriate modifier usage. Appendix A of the CPT 2011 codebook lists the full description for all modifiers and the conditions for their use. Modifiers explain that a procedure or service was altered in some way without changing the basic definition of the CPT code, and alert third-party payers to circumstances that may affect how reimbursement is calculated. Modifiers may be appended to a CPT code to...
Subscribe or sign in to view the full article.
Article Overview
This article explains the 2011 revisions to several CPT modifiers and discusses how the updated descriptors relate to claim reporting and payer communication. It is aimed at coders, billers, and reimbursement staff who need to understand modifier-related guidance in the 2011 CPT framework. The article also includes clinical examples and references to the CPT 2011 codebook and CPT Assistant guidance.
Why This Topic Matters
Modifier updates can affect how claims are interpreted and processed by third-party payers. Understanding these revisions helps coding and billing teams stay aligned with current CPT terminology and reporting expectations.
Article Sections
-
August 2011 pages 6-7
Introduces the article and frames the 2011 modifier revisions discussed in the issue.
-
Modifier 50
Discusses the revision for bilateral procedure reporting and payer claim-form considerations. Includes a clinical example and related reporting context.
-
Modifier 76
Covers the updated descriptor for repeat procedure or service reporting by the same qualified professional. Includes a clinical example and usage notes.
-
Use of Modifier 76
Summarizes general reporting considerations for repeat services under this modifier and payer documentation expectations.
-
Modifier 77
Explains the updated descriptor for repeat procedure or service reporting by another qualified professional. Includes a clinical example and usage notes.
-
Use of Modifier 77
Summarizes reporting considerations when the repeated service is performed by a different qualified professional.
-
Modifier 78
Describes the revised descriptor for an unplanned return to the operating or procedure room during the postoperative period. Includes general usage notes.
-
Use of Modifier 78
Summarizes circumstances related to postoperative return procedures and carrier handling considerations.
What You Will Learn
- How the article frames 2011 revisions to CPT modifier descriptors
- What types of reporting situations are discussed for bilateral and repeat procedures
- Which general payer and documentation themes are emphasized in the article
- How the article organizes guidance around modifiers 50, 76, 77, and 78
Who Should Read This
- Medical coders
- Billing staff
- Revenue cycle teams
- Compliance personnel
- Physician office staff
Codes Discussed
Modifiers Discussed
Subscribe or sign in to view the full article.


Quick, Current, Complete - www.findacode.com