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Diagnosis Code

E21.3 HYPERPARATHYROIDISM, UNSPECIFIED


Code Information

Diagnosis Code: E21.3

Short Description: Hyperparathyroidism, unspecified

Long Description: Hyperparathyroidism, unspecified

The code E21.3 is VALID for claim submission

Code Classification:

  • Endocrine, nutritional and metabolic diseases (E00–E89)
    • Disorders of other endocrine glands (E20-E35)
      • Hyperparathyroidism and other disorders of parathyroid gland (E21)
        • E21.3 Hyperparathyroidism, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Brown tumor of hyperparathyroidism
  • Calcifying panniculitis due to hyperparathyroidism
  • Chronic kidney disease mineral and bone disorder
  • Endocrine myopathy
  • Hyperparathyroidism
  • Myopathy in hyperparathyroidism
  • Neonatal hyperparathyroidism
  • Renal osteodystrophy
  • Renal osteodystrophy due to hyperparathyroidism
  • Subcutaneous calcification

Diagnostic Related Group(s)

The code E21.3 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Endocrine Disorders With Mcc (643)
  • Endocrine Disorders With Cc (644)
  • Endocrine Disorders Without Cc/mcc (645)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
E21.3 Right Arrow 252.00 Hyperparathyroidism NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
E21 Hyperparathyroidism and other disorders of parathyroid gland
E21.0 Primary hyperparathyroidism
E21.1 Secondary hyperparathyroidism, not elsewhere classified
E21.2 Other hyperparathyroidism
E21.4 Other specified disorders of parathyroid gland
E21.5 Disorder of parathyroid gland, unspecified

This page was last updated on: 10/1/2023

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