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Secondary hyperparathyroidism is the medical condition of excessive secretion of parathyroid hormone (PTH) by the parathyroid glands in response to hypocalcemia (low blood calcium levels), with resultant hyperplasia of these glands. This disorder is primarily seen in patients with chronic kidney failure.
This is a shortened version of the third chapter of the ICD-9: Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders. It covers ICD codes 240 to 279 . The full chapter can be found on pages 145 to 165 of Volume 1, which contains all (sub)categories of the ICD-9.
Secondary hyperparathyroidism typically occurs due to vitamin D deficiency, chronic kidney disease, or other causes of low blood calcium. [1] The diagnosis of primary hyperparathyroidism is made by finding elevated calcium and PTH in the blood. [2] Primary hyperparathyroidism may only be cured by removing the adenoma or overactive parathyroid ...
ICD-9 chapters; Chapter Block Title I 001–139: Infectious and Parasitic Diseases II 140–239: Neoplasms III 240–279: Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders IV 280–289: Diseases of the Blood and Blood-forming Organs V 290–319: Mental Disorders VI 320–389: Diseases of the Nervous System and Sense Organs ...
Secondary hyperparathyroidism; Tertiary hyperparathyroidism; Hyperparathyroid myopathy [6] Hypoparathyroidism. ... List of ICD-9 codes 240-279: Endocrine, nutritional ...
To confirm the diagnosis, renal osteodystrophy must be characterized by determining bone turnover, mineralization, and volume (TMV system) [2] (bone biopsy). [16] All forms of renal osteodystrophy should also be distinguished from other bone diseases which may equally result in decreased bone density (related or unrelated to CKD):
Micrograph of a parathyroid adenoma (left) and normal parathyroid gland (right). H&E stain.. Hyperparathyroidism is confirmed by blood tests such as calcium and PTH levels. A specific test for parathyroid adenoma is sestamibi parathyroid scintigraphy, often referred to as sestamibi scan or, more colloquially, MIBI scan.
The diagnosis of hyperphosphatemia is made through measuring the concentration of phosphate in the blood. A phosphate concentration greater than 1.46 mmol/L (4.5 mg/dL) is indicative of hyperphosphatemia, though further tests may be needed to identify the underlying cause of the elevated phosphate levels. [ 5 ]