E21.3
BillableHyperparathyroidism, unspecified
Hyperparathyroidism, unspecified
Coding Notes
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
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(47)
SNOMED CT
- ROD - Renal osteodystrophy16726004
- Renal bone disease16726004
- Renal osteodystrophy16726004
- Renal rickets16726004
- Subcutaneous calcification17141001
- Subcutaneous calcinosis17141001
- Endocrine myopathy57958006
- Muscle disease related to endocrine disease57958006
- Muscle disorders associated with endocrine disease57958006
- HPTH - Hyperparathyroidism66999008
- Hyperparathyroidism66999008
- Brown tumor of hyperparathyroidism203471008
- Brown tumour of hyperparathyroidism203471008
- Myopathy in hyperparathyroidism240090006
- Neonatal hyperparathyroidism254119005
- Calcifying panniculitis due to hyperparathyroidism403417001
- CKD-MBD - chronic kidney disease mineral and bone disorder713313000
- Chronic kidney disease mineral and bone disorder713313000
- Renal osteodystrophy due to hyperparathyroidism1217070004
UMLS
Clinical Terms
- Renal osteodystrophy
- Brown tumor of hyperparathyroidism
- Renal bone disease
- Endocrine myopathy
- Renal rickets
- HPTH - Hyperparathyroidism
- Muscle disorders associated with endocrine disease
- Hyperparathyroidism (disorder)
- Myopathy in hyperparathyroidism
- Chronic kidney disease mineral and bone disorder
- Brown tumour of hyperparathyroidism
- Neonatal hyperparathyroidism
- Renal osteodystrophy due to hyperparathyroidism
- CKD-MBD - chronic kidney disease mineral and bone disorder
- Muscle disease related to endocrine disease
- ROD - Renal osteodystrophy
- Elevated blood parathyroid hormone level
- Subcutaneous calcinosis
- Calcifying panniculitis due to hyperparathyroidism
- Hyperparathyroidism NOS
- Subcutaneous calcification
Frequently Asked Questions
What is the ICD-10 code for hyperparathyroidism, unspecified?
The ICD-10-CM code for hyperparathyroidism, unspecified is E21.3. The full clinical description is "Hyperparathyroidism, unspecified". E21.3 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code E21.3 mean?
ICD-10-CM code E21.3 represents “Hyperparathyroidism, unspecified”. It is classified under Chapter 4: Endocrine, Nutritional and Metabolic Diseases and is a billable/specific code that can be used on a claim.
Is E21.3 a billable code?
Yes, E21.3 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is E21.3 in?
E21.3 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).
What codes cannot be used with E21.3?
E21.3 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 E21.3 map to?
E21.3 maps to 10 SNOMED CT concepts: 203471008, 713313000, 403417001, 57958006, 66999008, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for E21.3?
E21.3 is linked to 1 UMLS Concept Unique Identifier: C0020502. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does E21.3 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hyperparathyroidism, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of E21.3?
E21.3 maps to the ICD-11 code: 5A5Z (Disorders of the parathyroids or parathyroid hormone system, unspecified).
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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.