2017/18 ICD-10-CM Diagnosis Code E20

Hypoparathyroidism

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as E20. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • Di George's syndrome (
    ICD-10-CM Diagnosis Code D82.1

    Di George's syndrome

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Pharyngeal pouch syndrome
    • Thymic alymphoplasia
    • Thymic aplasia or hypoplasia with immunodeficiency
    D82.1
    )
  • postprocedural hypoparathyroidism (
    ICD-10-CM Diagnosis Code E89.2

    Postprocedural hypoparathyroidism

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Parathyroprival tetany
    E89.2
    )
  • tetany NOS (
    ICD-10-CM Diagnosis Code R29.0

    Tetany

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Carpopedal spasm
    Type 1 Excludes
    • hysterical tetany (F44.5)
    • neonatal tetany (P71.3)
    • parathyroid tetany (E20.9)
    • post-thyroidectomy tetany (E89.2)
    R29.0
    )
  • transitory neonatal hypoparathyroidism (
    ICD-10-CM Diagnosis Code P71.4

    Transitory neonatal hypoparathyroidism

      2016 2017 2018 Billable/Specific Code Code on Newborn Record
    P71.4
    )
The following code(s) above E20 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to E20:
  • E00-E89
    2018 ICD-10-CM Range E00-E89

    Endocrine, nutritional and metabolic diseases

    Note
    • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
    Type 1 Excludes
    • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
    Endocrine, nutritional and metabolic diseases
  • E20-E35
    2018 ICD-10-CM Range E20-E35

    Disorders of other endocrine glands

    Type 1 Excludes
    Disorders of other endocrine glands
Clinical Information Code History
Code annotations containing back-references to E20:
ICD-10-CM Codes Adjacent To E20
E13.9 Other specified diabetes mellitus without complications
E15 Nondiabetic hypoglycemic coma
E16 Other disorders of pancreatic internal secretion
E16.0 Drug-induced hypoglycemia without coma
E16.1 Other hypoglycemia
E16.2 Hypoglycemia, unspecified
E16.3 Increased secretion of glucagon
E16.4 Increased secretion of gastrin
E16.8 Other specified disorders of pancreatic internal secretion
E16.9 Disorder of pancreatic internal secretion, unspecified
E20 Hypoparathyroidism
E20.0 Idiopathic hypoparathyroidism
E20.1 Pseudohypoparathyroidism
E20.8 Other hypoparathyroidism
E20.9 Hypoparathyroidism, unspecified
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

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.