AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2025 Issue 4; New/Revised ICD-10-CM Codes
Hyperoxaluria
New codes were created at subcategory E72.5, Disorders of glycine metabolism, to identify different etiologies of hyperoxaluria. Subcategory E72.53, Primary hyperoxaluria, was expanded to classify primary hyperoxaluria: Primary hyperoxaluria, type 1 (E72.530), Other specified primary hyperoxaluria (E72.538), and Primary hyperoxaluria, unspecified (E72.539). New subcategory E72.54, Secondary hyperoxaluria, was created to classify secondary hyperoxaluria: Dietary hyperoxaluria (E72.540), Enteric hyperoxaluria (E72.541), Other secondary hyperoxaluria (E72.548), and Secondary hyperoxaluria, unspecified (E72.549). Oxalate is a natural chemical in the body. It is also found in certain types of food. Hyperoxaluria...
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Article Overview
This article explains ICD-10-CM updates for hyperoxaluria and gives a clinical overview of primary and secondary etiologies. It is relevant to coders, CDI staff, and clinicians who need to understand the updated classification structure, related terminology, and the general context for reporting hyperoxaluria-related findings.
Why This Topic Matters
The article helps readers recognize how hyperoxaluria is organized in ICD-10-CM and why distinguishing among etiologies matters for accurate health record interpretation and diagnosis reporting. It also provides general clinical context for the condition, its causes, and associated kidney-related complications.
Article Sections
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ICD-10-CM code updates for hyperoxaluria
Introduces the newly created and expanded ICD-10-CM categories related to hyperoxaluria and its etiologies. The section focuses on the updated classification structure.
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Clinical overview of hyperoxaluria
Describes the condition in broad clinical terms, including how oxalate accumulates and the general health effects associated with the disorder. It also summarizes broad distinctions between primary and secondary forms.
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Primary hyperoxaluria
Provides background on inherited forms of the condition and discusses general presentation patterns across different types. The section also notes broad clinical features seen at different ages.
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Secondary hyperoxaluria
Summarizes noninherited causes of hyperoxaluria and describes broad dietary and intestinal factors associated with the condition. It also notes related kidney risks.
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Urine finding
Addresses reporting of an abnormal urine finding related to hyperoxaluria. This section gives general context for the diagnosis terminology used in the record.
What You Will Learn
- How the article organizes hyperoxaluria within ICD-10-CM
- What general distinctions are made between primary and secondary hyperoxaluria
- What broad clinical context is provided about causes and complications
- How the article frames abnormal urine findings related to hyperoxaluria
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation integrity professionals
- Healthcare providers
- Revenue cycle professionals
Codes Discussed
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