E21.5
ICD-10-CMThis code represents a general diagnosis for any unspecific disorder affecting the parathyroid glands. It indicates that a parathyroid dysfunction is present, but the specific nature of the disorder (e.g., hyperparathyroidism, hypoparathyroidism, or other specific conditions) has not been definitively diagnosed or documented.
Use this code when the medical record indicates a parathyroid gland abnormality without further specification of its type or cause. This is appropriate for initial encounters or when diagnostic workup is ongoing and a more precise diagnosis is not yet established. Documentation should clearly state "parathyroid disorder, unspecified" or similar vague terminology.
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