Bacteremia Due to PICC Line

A patient with chronic respiratory failure was admitted with acute respiratory failure. The provider noted a black mold-like substance at the site of insertion of a peripherally inserted central catheter (PICC line). Cultures were not performed on the catheter tip, but the PICC line was removed and replaced with a new line. Blood cultures were positive for Staphylococcus epidermidis. The provider was queried whether the patient had developed the infection due to the PICC line. The provider documented in his final diagnostic statement, “Probable bacteremia due to PICC line.” What are the diagnosis code assignments for this admission? ...

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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 the coding considerations for an inpatient case involving acute-on-chronic respiratory failure and a suspected line-associated bacteremia. It is useful for inpatient coders, CDI staff, auditors, and others reviewing diagnosis sequencing and catheter-related infection documentation. The article focuses on diagnosis code assignment, principal diagnosis selection, and the relationship between the documented infection and the PICC line.

Why This Topic Matters

Cases like this require careful interpretation of provider documentation and the clinical relationship between the infection and the vascular access device. Accurate diagnosis assignment affects reporting consistency, data quality, and inpatient coding accuracy.

What You Will Learn

  • How to review documentation for a suspected catheter-related bloodstream infection
  • How the presence of a PICC line factors into diagnosis coding review
  • How principal diagnosis considerations are presented in an inpatient scenario
  • How provider documentation influences infection-related coding questions

Who Should Read This

  • Inpatient medical coders
  • Coding auditors
  • Clinical documentation improvement specialists
  • Health information management professionals
  • Revenue integrity teams

Codes Discussed

  • ICD-9-CM: 518.84
  • ICD-9-CM: 999.31

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