How should a bilateral procedure be reported when the code description only includes the word unilateral, and there are no bilateral codes? For example, when an ultrasound of both breasts is performed, code 76641 , Ultrasound, breast, unilateral, real time with image documentation, including axilla when performed; complete, is reported; however, should the procedure be reported with modifier 50 as single-line item or as separate line items with an anatomic modifier to indicate each side? ...
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Article Overview
This premium article addresses a common CPT coding question about reporting bilateral procedures when the available code language is unilateral. It explains the broad reporting approach discussed in CPT guidance, notes that payer requirements may differ, and is intended for coding professionals who need to evaluate how bilateral services are represented on a claim.
Why This Topic Matters
Bilateral procedure reporting affects claim preparation, payer compliance, and consistent application of CPT guidance. Understanding the general approach helps coders review service documentation and compare it with payer-specific billing requirements.
What You Will Learn
- How bilateral procedures are addressed in general CPT reporting guidance
- What to consider when only unilateral code language is available
- Why payer-specific billing requirements may differ from general CPT guidance
- How claim-format decisions can vary across payers
Who Should Read This
- Medical coders
- Billing specialists
- Coding auditors
- Revenue cycle professionals
Codes Discussed
Modifiers Discussed
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