E05.3 ICD-10-CM Code: Thyrotoxicosis from ectopic thyroid tissue
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
E05.3Thyrotoxicosis from ectopic thyroid tissue
ICD-10-CM diagnosis code · United States clinical modification
Where E05.3 sits
- 1
Chapter 4
Endocrine, nutritional and metabolic diseases (E00-E89)
- 2
Section
Disorders of thyroid gland (E00-E07)
- 3
Category E05
Thyrotoxicosis [hyperthyroidism]
- 4
Code E05.3
Thyrotoxicosis from ectopic thyroid tissue
Codes under E05.3
E05.3 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for E05.3.
Code first
No “code first” instruction is listed for E05.3.
Use additional code
No “use additional code” instruction is listed for E05.3.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for E05.3.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for E05.3.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code E05.3 mean?
E05.3 is the FY 2027 U.S. ICD-10-CM code for “Thyrotoxicosis from ectopic thyroid tissue.”
Is E05.3 a billable or specific ICD-10-CM code?
No. E05.3 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is E05.3 located in ICD-10-CM?
E05.3 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Disorders of thyroid gland (E00-E07) (E00–E07), under category E05, Thyrotoxicosis [hyperthyroidism].
What coding notes are listed for E05.3?
No inclusion terms are listed for E05.3 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.