Post-Operative Seroma Following Mastectomy

An 80-year-old woman, who is status post recent left mastectomy with complete axillary node dissection due to breast malignancy, developed a persistent seroma at the site of the mastectomy. What is the appropriate code assignment for a postoperative seroma at the site of the previous mastectomy? ...

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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 short coding article focuses on how to classify a postoperative seroma that develops at a prior mastectomy site. It is intended for coding professionals working with postoperative complication diagnosis coding, particularly in cases involving breast surgery and axillary node dissection. The article centers on the applicable ICD-10-CM category and the general rationale discussed in the source.

Why This Topic Matters

Postoperative complications can affect diagnosis coding, reporting accuracy, and claim consistency. This article helps readers understand the coding context for a seroma after breast surgery without relying on the premium content.

What You Will Learn

  • How a postoperative seroma after mastectomy is categorized in ICD-10-CM
  • How the article frames coding for a complication at a prior surgical site
  • How breast surgery and axillary node dissection are discussed in relation to postoperative diagnosis coding
  • The general coding context for postoperative seroma documentation

Who Should Read This

  • Medical coders
  • Coding auditors
  • Billing specialists
  • Clinical documentation specialists

Codes Discussed

  • ICD-10-CM: M96.843

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