E01.8 – Other iodine-deficiency related thyroid disorders and allied conditions

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

Billable code

ICD-10-CM code E01.8
Code
E01.8 (claims format: E018)
Description
Other iodine-deficiency related thyroid disorders and allied conditions
Short description
Oth iodine-deficiency related thyroid disord and allied cond
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
E01

Notes for E01.8

Applicable to:
  • Acquired iodine-deficiency hypothyroidism NOS

Notes inherited from parent codes

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

E01 – Iodine-deficiency related thyroid disorders and allied conditions

Excludes1 (not coded here):
  • congenital iodine-deficiency syndrome (E00.-)
  • subclinical iodine-deficiency hypothyroidism (E02)

Index terms for E01.8

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

Related codes in E01

Frequently asked questions

What is ICD-10 code E01.8?

E01.8 is the ICD-10-CM code for other iodine-deficiency related thyroid disorders and allied conditions, in the block E00-E07 (Disorders of thyroid gland).

Is E01.8 a billable code?

Yes. E01.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E01.8 belong to?

It belongs to category E01 – Iodine-deficiency related thyroid disorders and allied conditions.

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.