5A50, 5A51, 5A5Y, 5A5Z

Disorders Of The Parathyroids Or Hormones – ICD 11 Codes

Definition of Disorders Of The Parathyroids Or Parathyroid Hormone System: Disorders of the parathyroids and parathyroid hormone system generally refer to conditions with inappropriate secretion and/or actions of parathyroid hormone that cause dysregulation of calcium metabolism.

Exclusions:

Hypoparathyroidism

Definition of Hypoparathyroidism: Hypoparathyroidism is a condition with insufficient biological actions of parathyroid hormone due to impaired secretion of parathyroid hormone or refractoriness of target tissues to parathyroid hormone.

ICD 11 Code For Hypoparathyroidism

  5A50  Hypoparathyroidism

Exclusions:

Coded Elsewhere:

  • Transitory neonatal hypoparathyroidism (KB64)

5A50.0 Hypoparathyroidism due to impaired parathyroid hormone secretion

Definition of Hypoparathyroidism due to impaired parathyroid hormone secretion: Hypoparathyroidism due to impaired PTH secretion is a condition with low circulating PTH level and hypocalcaemia caused by being unable to secrete PTH from parathyroids in response to hypocalcaemia with pathological or functional defects in parathyroids.

Coded Elsewhere:

  • CATCH 22 phenotype (LD44.N0)

5A50.00 Idiopathic hypoparathyroidism

Exclusions:

5A50.01 Secondary hypoparathyroidism

Coding Note:

  • Code also the causing condition

5A50.02 Hypoparathyroidism due to destruction of the parathyroid glands

Definition of Hypoparathyroidism due to destruction of the parathyroid glands: Dysfunction of parathyroid glands can be caused by several etiologies such as radiation, destruction of parathyroid glands by granulomatous disease or cancer infiltration, and deposition of iron or copper.

5A50.03 Autoimmune hypoparathyroidism

5A50.0Y Other specified hypoparathyroidism due to impaired parathyroid hormone secretion

5A50.0Z Hypoparathyroidism due to impaired parathyroid hormone secretion unspecified

5A50.1 Pseudohypoparathyroidism

Definition of Pseudohypoparathyroidism: Pseudohypoparathyroidism is a condition with refractoriness to parathyroid hormone of its target tissues especially kidney that causes hypocalcaemia and hyperphosphataemia even in the presence of high circulating levels of biologically active parathyroid hormone.

5A50.Y Other specified hypoparathyroidism

5A50.Z Hypoparathyroidism unspecified

Definition of Hypoparathyroidism unspecified: Hyperparathyroidism refers to overproduction of parathormone and s most frequently due to a tumour in one of the parathyroid glands. It may also occur in response to low calcium levels, as encountered in various situations such as vitamin D deficiency or chronic kidney disease.

Hyperparathyroidism

Definition of Hyperparathyroidism: Hyperparathyroidism results in weakening of the bones through loss of calcium.

ICD 11 Code For Hyperparathyroidism

  5A51  Hyperparathyroidism

Exclusions:

  • Adult osteomalacia (FB83.2)
  • infantile and juvenile osteomalacia (5B57.0)

5A51.0 Primary hyperparathyroidism

Definition of Primary hyperparathyroidism: Primary hyperparathyroidism is a condition with enhanced PTH secretion and high circulatory PTH level caused by abnormal parathyroid pathology such as adenoma, hyperplasia and cancer. Primary hyperparathyroidism usually causes hypercalcaemia by enhanced PTH actions.

5A51.1 Secondary hyperparathyroidism

Definition of Secondary hyperparathyroidism: Secondary hyperparathyroidism is a condition with enhanced PTH secretion and high circulatory PTH level caused by metabolic changes such and hypocalcaemia, hyperphosphatemia and low 1,25-dihydroxyvitamin D.

Coding Note:

  • Code also the causing condition

Exclusions:

  • secondary hyperparathyroidism of renal origin (GB90.4)

5A51.2 Familial hypocalciuric hypercalcaemia

Definition of Familial Hypocalciuric Hypercalcaemia: Familial Hypocalciuric Hypercalcaemia (FHH) or benign familial hypercalcaemia is an autosomal dominant disorder of calcium metabolism that is often asymptomatic and that is biologically characterised by a significant but moderate hypercalcaemia. Serum levels of parathyroid hormone are normal or slightly increased, and urinary calcium excretion is relatively low for hypercalcaemia. CASR, GNA11 and AP2S1 have been identified as causative genes.

5A51.Y Other specified hyperparathyroidism

5A51.Z Hyperparathyroidism unspecified

Other specified disorders of the parathyroids or parathyroid hormone system

ICD 11 Code For Other specified disorders of the parathyroids or parathyroid hormone system

  5A5Y  Other specified disorders of the parathyroids or parathyroid hormone system

Disorders of the parathyroids or parathyroid hormone system unspecified

ICD 11 Code For Disorders of the parathyroids or parathyroid hormone system unspecified

  5A5Z  Disorders of the parathyroids or parathyroid hormone system unspecified

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