AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2018 Quarter 4; New/Revised ICD-10-CM Codes
Surgical Site Infection Following a Procedure
The patient is a 55-year-old female, who was admitted to the hospital for treatment of cervical cancer, and underwent total abdominal hysterectomy. On postoperative day three, the patient’s abdominal incision was intact, but had purulent drainage and slight erythema and induration. A wound drainage specimen was sent to the laboratory for culture. The culture grew E. coli. The provider ordered intravenous antibiotics and documented postoperative wound infection of skin and subcutaneous tissue. What is the appropriate code assignment for the postoperative wound infection? ...
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Article Overview
This article covers the expansion of ICD-10-CM subcategory T81.4 for infections following a procedure and discusses how surgical site infections are differentiated by depth. It also notes related revisions to the ICD-10-CM Official Guidelines for Coding and Reporting and includes a postoperative case example involving documentation and infection classification. The content is aimed at coding professionals, CDI staff, auditors, and others who work with postoperative complication coding and infection-related diagnosis reporting.
Why This Topic Matters
Postoperative infections are common and can be documented in several ways, so understanding the updated diagnosis structure and supporting guidance helps ensure consistent reporting, cleaner data, and more accurate communication of complication severity.
Article Sections
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Overview of infection following a procedure codes
Introduces the expanded ICD-10-CM subcategory for infections following a procedure and explains the general purpose of the update. It frames the article as guidance on postoperative infection reporting.
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Surgical site infection categories and classification
Describes the broad classification of surgical site infections by depth and references the organizations and criteria associated with that framework. It also notes why the code revisions were requested.
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ICD-10-CM Official Guidelines revision
Summarizes that related reporting guidelines were revised to support use of the updated diagnosis structure. The section situates the coding changes within official ICD-10-CM reporting guidance.
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Clinical example
Presents a postoperative case scenario involving a wound infection after surgery and a question about the appropriate diagnosis assignment. The example illustrates the type of documentation discussed in the article.
What You Will Learn
- How the infection following a procedure category was expanded in ICD-10-CM
- How surgical site infections are broadly organized by depth
- Which organizations and guideline sources are associated with the reporting update
- What kinds of postoperative documentation are relevant to this topic
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation improvement specialists
- Revenue cycle staff
- Compliance professionals
- Health information management professionals
Codes Discussed
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