E21.0
BillablePrimary hyperparathyroidism
Primary hyperparathyroidism
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Hyperplasia of parathyroid
- Osteitis fibrosa cystica generalisata [von Recklinghausen's disease of bone]
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- familial hypocalciuric hypercalcemia (E83.52)
Also Known As / Clinical Terms
SNOMED CT
- Parathyroid hyperplasia9092004
- Primary water-clear cell hyperplasia32463001
- Primary hyperparathyroidism36348003
- Fibro-osteoclasia84727000
- Fibrous osteodystrophy84727000
- Osteitis fibrosa cystica84727000
- Osteitis fibrosa cystica generalisata84727000
- Osteodystrophia fibrosa84727000
- Von Recklinghausen's disease of bone84727000
- von Recklinghausen's bone disease84727000
- Familial hyperparathyroidism237653008
- Familial primary hyperparathyroidism237653008
- Neonatal hyperparathyroidism254119005
- Familial cystic parathyroid adenomatosis702378002
- Familial primary hyperparathyroidism with multiple ossifying jaw fibromas702378002
- Hyperparathyroidism 2702378002
- Hyperparathyroidism-jaw tumor syndrome702378002
- Hyperparathyroidism-jaw tumour syndrome702378002
- Neonatal severe primary hyperparathyroidism715218009
- Edwards Patton Dilly syndrome724093004
- Nephropathy, deafness, hyperparathyroidism syndrome724093004
- FIHPT - familial isolated hyperparathyroidism786037006
- Familial isolated hyperparathyroidism786037006
- Normocalcemic primary hyperparathyroidism190045361000119101
UMLS
- Enlarged parathyroid glandsC0271844
- Hyperplasia of ParathyroidC0271844
- Hyperplasia of parathyroidC0271844
- Hyperplasia of the ParathyroidC0271844
- Parathyroid Gland HyperplasiaC0271844
- Parathyroid HyperplasiaC0271844
- Parathyroid hyperplasiaC0271844
- Parathyroid hyperplasia (disorder)C0271844
- parathyroid hyperplasiaC0271844
- HYPERPARATHYROIDISM, PRIMARYC0221002
- Hyperparathyroidism primaryC0221002
- Hyperparathyroidism, PrimaryC0221002
- Hyperparathyroidisms, PrimaryC0221002
- Primary HyperparathyroidismC0221002
- Primary HyperparathyroidismsC0221002
- Primary hyperparathyroidismC0221002
- Primary hyperparathyroidism (disorder)C0221002
- primary hyperparathyroidismC0221002
- Osteitis fibrosa cystica generalisata [von Recklinghausen's disease of bone]C2874186
Frequently Asked Questions
What is ICD-10 code E21.0?
ICD-10-CM code E21.0 represents "Primary hyperparathyroidism". It is a billable/specific code that can be used on a claim.
Is E21.0 a billable code?
Yes, E21.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is E21.0 in?
E21.0 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).
What codes cannot be used with E21.0?
E21.0 has Excludes1 notes indicating codes that cannot be used together with it, including: transitory endocrine and metabolic disorders specific to newborn (P70-P74); galactorrhea (N64.3); gynecomastia (N62); and 4 more.
What SNOMED CT codes does E21.0 map to?
E21.0 maps to 11 SNOMED CT concepts: 724093004, 786037006, 702378002, 237653008, 84727000, and 6 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for E21.0?
E21.0 is linked to 3 UMLS Concept Unique Identifiers: C0271844, C0221002, C2874186. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.