CPT codes 77081 and 7080

Is CPT code 77081 , Dual-energy X-ray absorptiometry (DXA), bone density study, 1 or more sites; appendicular skeleton (peripheral) (e.g., radius, wrist, heel), included in CPT code 77080 , Dual-energy X-ray absorptiometry (DXA), bone density study, 1 or more sites; axial skeleton (e.g., hips, pelvis, spine)? Some providers routinely perform a forearm exam with the hip/spine exam in accordance with WHO standards. Is it appropriate to bill both 77080 and 77081 in this situation? If so, is a modifier necessary? ...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This premium article discusses CPT reporting for dual-energy X-ray absorptiometry (DXA) bone density studies, focusing on how a peripheral examination relates to an axial skeleton exam when both are performed in the same visit. It is aimed at coders, billers, and clinical documentation staff who need to understand the coding scope, possible pairing of services, and whether modifier use is involved.

Why This Topic Matters

DXA studies are frequently performed in combinations that can raise billing and claim-edit questions. Clear guidance on code scope and modifier considerations helps support accurate reporting and reduce avoidable denials or resubmissions.

Article Sections

  1. Question and coding scenario

    Introduces the billing question, the related DXA study types, and the circumstance in which both services may be performed during the same encounter.

  2. Answer

    Provides the article’s guidance on reporting the services and notes whether additional billing steps are involved.

What You Will Learn

  • How the article frames the relationship between two DXA study codes
  • What general billing issue is being raised for combined bone density testing
  • Whether modifier use is part of the discussion
  • How the article addresses a common coding scenario involving axial and peripheral bone density exams

Who Should Read This

  • Medical coders
  • Billing staff
  • Compliance staff
  • Clinical documentation specialists
  • Physician practice administrators

Codes Discussed


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