E05.30 – Thyrotoxicosis from ectopic thyroid tissue without thyrotoxic crisis or storm

ICD-10-CM 2027 diagnosis code · Disorders of thyroid gland

Billable code

ICD-10-CM code E05.30

Code: E05.30 (claims format: E0530)
Description: Thyrotoxicosis from ectopic thyroid tissue without thyrotoxic crisis or storm
Short description: Thyrotxcosis from ectopic thyroid tissue w/o thyrotxc crisis
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 › E05.3

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

E05 – Thyrotoxicosis [hyperthyroidism]

Excludes1 (not coded here):

chronic thyroiditis with transient thyrotoxicosis (E06.2)
neonatal thyrotoxicosis (P72.1)

Index terms for E05.30

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in E05.3

E05.31 – Thyrotoxicosis from ectopic thyroid tissue with thyrotoxic crisis or stormBillable

Frequently asked questions

What is ICD-10 code E05.30?

E05.30 is the ICD-10-CM code for thyrotoxicosis from ectopic thyroid tissue without thyrotoxic crisis or storm, in the block E00-E07 (Disorders of thyroid gland).

Is E05.30 a billable code?

Yes. E05.30 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E05.30 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.