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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