Bone marrow aspiration with injection into the shoulder joint

A patient with impingement syndrome of the left shoulder presented for diagnostic arthroscopy with regenerative injection of concentrated bone marrow mesenchymal stem cells for repair. Ten cc’s of bone marrow was aspirated from the iliac crest. The bone marrow aspirate was not manipulated in any way and set aside. After the diagnostic arthroscopy, 8-10cc’s of the bone marrow aspirate was injected into the shoulder joint. What is the CPT code for a bone marrow aspiration procedure in which the surgeon is harvesting the marrow via the iliac crest without biopsy or manipulation (no platelet rich plasma) and then injecting that bone marrow into the shoulder joint? ...

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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 explains how a bone marrow aspiration and related injection into the shoulder joint are approached for CPT reporting in a regenerative orthopedics scenario. It is aimed at coders, billers, and clinicians who need to understand the coding scope, the involved procedure context, and the guidance presented for selecting the appropriate musculoskeletal CPT reporting path. The article focuses on the procedure setting, the relationship between aspiration and injection, and the coding considerations tied to an unlisted musculoskeletal services code.

Why This Topic Matters

Correct reporting of regenerative musculoskeletal procedures affects claim accuracy, documentation alignment, and payer review. Articles like this help coders recognize when a case falls outside standard coded services and requires careful CPT review.

What You Will Learn

  • How a bone marrow harvest and joint injection scenario is framed for CPT reporting
  • What coding topic applies to regenerative musculoskeletal procedures involving the shoulder
  • Why unlisted musculoskeletal CPT reporting is discussed in this type of case
  • How the article frames the relationship between aspiration and injection in a single encounter

Who Should Read This

  • Medical coders
  • Billing specialists
  • Orthopedic practices
  • Sports medicine practices
  • Regenerative medicine providers

Codes Discussed

  • CPT: 20999

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