ICD-10-CM > E00-E89 > E70-E88 > E72 > E72.5 > E72.53 E72.53 Primary hyperoxaluria Non-Billable/Non-Specific Applicable To OxalosisOxaluria Type 1 Excludes secondary hyperoxaluria (E72.54-) Codes E72.530Primary hyperoxaluria, type 1E72.538Other specified primary hyperoxaluriaE72.539Primary hyperoxaluria, unspecified