AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2023 Issue 3; Ask the Editor
Hindfoot Varus
A 60-year-old patient with multiple foot deformities is admitted due to severe pain in the right foot. Weight bearing on the right shows significant hindfoot varus. A radiographic view of the foot shows that the talus and calcaneus are “stacked” indicative of cavus deformity of the hindfoot. A Malerba osteotomy of the right calcaneus was performed to correct the hindfoot varus. What is the appropriate ICD-10-CM diagnosis code for right hindfoot varus? Would the right hindfoot varus be classified as congenital (by default) or acquired? ...
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Article Overview
This premium coding article focuses on ICD-10-CM diagnosis coding for hindfoot varus of the foot in a clinical scenario involving foot deformity and operative correction. It is intended for coders, billers, and other revenue cycle staff who need to understand how the diagnosis is categorized and how the documented etiology affects classification. The article also references use of the Alphabetic Index to support code selection.
Why This Topic Matters
Correctly classifying a foot deformity diagnosis can affect claim accuracy, medical record consistency, and downstream coding decisions for orthopedic and podiatric care. This article helps readers understand the diagnostic coding context for a right-sided hindfoot varus case without relying on assumptions not documented by the provider.
What You Will Learn
- How hindfoot varus is addressed in ICD-10-CM diagnosis coding
- How laterality and documentation affect deformity classification
- How the Alphabetic Index supports diagnosis code lookup
- What documentation is needed before assigning a congenital classification
Who Should Read This
- Medical coders
- Billing specialists
- Coding auditors
- Podiatry staff
- Orthopedic revenue cycle staff
Codes Discussed
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