E05.40 – Thyrotoxicosis factitia without thyrotoxic crisis or storm
ICD-10-CM 2027 diagnosis code · Disorders of thyroid gland
ICD-10-CM code
E05.40
- Code
E05.40(claims format:E0540)- Description
- Thyrotoxicosis factitia without thyrotoxic crisis or storm
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E00-E07 Disorders of thyroid gland
- Parent codes
- E05 › E05.4
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
E05 – Thyrotoxicosis [hyperthyroidism]
Index terms for E05.40
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in E05.4
Frequently asked questions
What is ICD-10 code E05.40?
E05.40 is the ICD-10-CM code for thyrotoxicosis factitia without thyrotoxic crisis or storm, in the block E00-E07 (Disorders of thyroid gland).
Is E05.40 a billable code?
Yes. E05.40 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does E05.40 belong to?
It belongs to category E05 – Thyrotoxicosis [hyperthyroidism].
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.