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E21.0 is a billable diagnosis code used to specify a medical diagnosis of primary hyperparathyroidism. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2024 through September 30, 2025.
Hyperparathyroidism - A condition of abnormally elevated output of PARATHYROID HORMONE (or PTH) triggering responses that increase blood CALCIUM. It is characterized by HYPERCALCEMIA and BONE RESORPTION, eventually leading to bone diseases.
E21 Hyperparathyroidism and other disorders of parathyroid gland. E21.0 Primary hyperparathyroidism; E21.1 Secondary hyperparathyroidism, not elsewhere classified; E21.2 Other hyperparathyroidism; E21.3 Hyperparathyroidism, unspecified; E21.4 Other specified disorders of parathyroid gland; E21.5 Disorder of parathyroid gland, unspecified
Get crucial instructions for accurate ICD-10-CM E21 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
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E21.3 is a billable diagnosis code used to specify a medical diagnosis of hyperparathyroidism, unspecified. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2024 through September 30, 2025.
E21.0 is a valid billable ICD-10 diagnosis code for Primary hyperparathyroidism. It is found in the 2025 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2024 - Sep 30, 2025 .
ICD 10 code for Other hyperparathyroidism. Get free rules, notes, crosswalks, synonyms, history for ICD-10 code E21.2.
Hyperparathyroidism is inappropriate overactivity of the parathyroid glands resulting in parathyroid hormone (PTH) levels in the blood plasma which are in excess of what a normally functioning plasma ionized calcium regulator (or homeostat, or negative feedback mechanism) would produce.
Get crucial instructions for accurate ICD-10-CM E21.0 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.