Diagnosis Code: E21.0

Short Description: Primary hyperparathyroidism

Long Description: Primary hyperparathyroidism

The code E21.0 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)
      • E21.0 Primary hyperparathyroidism

Code Version: 2022 ICD-10-CM

Synonyms

• Familial hyperparathyroidism
• Familial isolated hyperparathyroidism
• Hyperparathyroidism-jaw tumor syndrome
• Neonatal hyperparathyroidism
• Neonatal severe primary hyperparathyroidism
• Nephropathy, deafness, hyperparathyroidism syndrome
• Normocalcemic primary hyperparathyroidism
• Osteitis fibrosa cystica
• Parathyroid hyperplasia
• Parathyroid hyperplasia
• Primary hyperparathyroidism
• Primary hyperparathyroidism
• Primary water-clear cell hyperplasia

Diagnostic Related Group(s)

The code E21.0 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)

References to Index of Diseases and Injuries

The code E21.0 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Inclusion Terms:
  • Hyperplasia of parathyroid
  • Osteitis fibrosa cystica generalisata [von Recklinghausen's disease of bone]

Crosswalk Information

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

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