E20.81 – Hypoparathyroidism due to impaired parathyroid hormone secretion
ICD-10-CM 2027 diagnosis code · Disorders of other endocrine glands
ICD-10-CM code
E20.81
- Code
E20.81(claims format:E2081)- Description
- Hypoparathyroidism due to impaired parathyroid hormone secretion
- Short description
- Hypoparathyroidism due to impaired PTH secretion
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E20-E35 Disorders of other endocrine glands
- Parent codes
- E20 › E20.8
Billable codes under E20.81
E20.81 is a header code and cannot be used on claims. Choose the most specific code:
- E20.810 – Autosomal dominant hypocalcemiaBillable
- E20.811 – Secondary hypoparathyroidism in diseases classified elsewhereBillable
- E20.812 – Autoimmune hypoparathyroidismBillable
- E20.818 – Other specified hypoparathyroidism due to impaired parathyroid hormone secretionBillable
- E20.819 – Hypoparathyroidism due to impaired parathyroid hormone secretion, unspecifiedBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
E20 – Hypoparathyroidism
Excludes1 (not coded here):
Block E20-E35
Related codes in E20.8
Frequently asked questions
What is ICD-10 code E20.81?
E20.81 is the ICD-10-CM code for hypoparathyroidism due to impaired parathyroid hormone secretion, in the block E20-E35 (Disorders of other endocrine glands).
Is E20.81 a billable code?
No. E20.81 is a header code with more specific child codes; report one of the billable codes listed above.
What category does E20.81 belong to?
It belongs to category E20 – Hypoparathyroidism.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.