Stress Fractures

Effective October 1, 2008, subcategory 733.9, Other and unspecified disorders of bone and cartilage, has been further revised to include new codes for stress fracture of femoral neck (733.96); stress fracture of shaft of femur (733.97); and stress fracture of pelvis (733.98). Also, new “use additional code” notes have been added at each code in subcategory 733.9, to “use additional external cause code(s) to identify the cause of the stress fracture.” 733.9 Other and unspecified disorders of bone and cartilage 733.93...

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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 article explains a revision to an ICD-9-CM bone and cartilage disorder subcategory focused on stress fracture diagnoses. It is relevant to coders, billing staff, and compliance teams who need to understand the scope of the update, the affected diagnosis categories, and the related external cause coding notes. The content centers on the addition of new diagnosis codes, exclusions, and documentation notes tied to these changes.

Why This Topic Matters

Accurate diagnosis code selection depends on recognizing code additions, exclusions, and related note changes when classification updates take effect. This article helps users identify which stress fracture categories were revised and where external cause coding notes apply.

Article Sections

  1. ICD-9-CM Revision Summary

    Overview of the effective date and the broad classification update affecting a bone and cartilage disorder subcategory. The section introduces the scope of the stress fracture-related changes.

  2. Updated Stress Fracture Codes and Notes

    Details on the affected diagnosis categories, including newly added and revised entries within the subcategory. The section also covers associated note language and exclusions tied to the update.

What You Will Learn

  • What classification area was revised
  • Which stress fracture categories were affected
  • What kinds of note changes accompanied the update
  • How the article frames the effective-date change

Who Should Read This

  • Medical coders
  • Coding auditors
  • Billing staff
  • Compliance professionals
  • Revenue cycle teams

Codes Discussed

  • ICD-9-CM: 733.9
  • ICD-9-CM: 733.93
  • ICD-9-CM: 733.94
  • ICD-9-CM: 733.95
  • ICD-9-CM: 733.96
  • ICD-9-CM: 733.97
  • ICD-9-CM: 733.98

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