ICD-10-CM Code E21.1
Secondary hyperparathyroidism, not elsewhere classified
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.E21.1 is a billable ICD code used to specify a diagnosis of secondary hyperparathyroidism, not elsewhere classified. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code E211 is used to code Secondary hyperparathyroidism
Secondary hyperparathyroidism (SHPT) refers to the excessive secretion of parathyroid hormone (PTH) by the parathyroid glands in response to hypocalcemia (low blood calcium levels) and associated hyperplasia of the glands. This disorder is especially seen in patients with chronic kidney failure. It is often—although not consistently—abbreviated as SHPT in medical literature.
| Specialty: | Endocrinology |
| MeSH Codes: | D006962, D006962 |
| ICD 9 Codes: | 252.02, 588.81 |
Thyroid and parathyroid.
Coding Notes for E21.1 Info for medical coders on how to properly use this ICD-10 code
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Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here." - Secondary hyperparathyroidism of renal origin - instead, use code N25.81
MS-DRG Mapping
- DRG Group #643-645 - Endocrine disorders with MCC.
- DRG Group #643-645 - Endocrine disorders with CC.
- DRG Group #643-645 - Endocrine disorders without CC or MCC.
ICD-10-CM Alphabetical Index References for 'E21.1 - Secondary hyperparathyroidism, not elsewhere classified'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code E21.1. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 252.02 was previously used, E21.1 is the appropriate modern ICD10 code.
Parent Code: E21 - Hyperparathyroidism and other disorders of parathyroid gland