E00
Non-Billable

Congenital iodine-deficiency syndrome

Non-Billable / Non-Specific Code

What is Congenital iodine-deficiency syndrome?

ICD-10-CM E00 is the diagnosis code for Congenital iodine-deficiency syndrome. This code falls under the section "Disorders of thyroid gland" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for E00

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as E00. They are mutually exclusive:

  • subclinical iodine-deficiency hypothyroidism (E02)

ICD-10-CM Code Hierarchy

Understanding where E00 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeE00 — Congenital iodine-deficiency syndrome
Sub-Codes 4 entries
E00.0Congenital iodine-deficiency syndrome, neurological typeBillableE00.1Congenital iodine-deficiency syndrome, myxedematous typeBillableE00.2Congenital iodine-deficiency syndrome, mixed typeBillableE00.9Congenital iodine-deficiency syndrome, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is E00 a billable ICD-10-CM code?

No, E00 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does E00 mean?

E00 is the ICD-10-CM diagnosis code for "Congenital iodine-deficiency syndrome". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is E00 in?

E00 is located in Section E00-E07 — "Disorders of thyroid gland" within Chapter 4 of the ICD-10-CM Tabular List.

What are the sub-codes of E00?

E00 has 4 sub-code(s) that provide more specific detail: E00.0, E00.1, E00.2, E00.9.

When should I use E00?

Use E00 when the patients documented diagnosis matches "Congenital iodine-deficiency syndrome" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Congenital iodine-deficiency syndrome?

The ICD-10-CM code for Congenital iodine-deficiency syndrome is E00.

Can E00 be used for primary diagnosis?

No, E00 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is E00 in?

E00 is in Chapter 4 of the ICD-10-CM Tabular List.

What conditions are excluded from E00?

Type 1 Excludes for E00 include: subclinical iodine-deficiency hypothyroidism (E02).

Is E00 valid for 2026?

Yes, E00 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousD89.9Disorder involving the immune mechanism, unspecifiedNext →E00.0Congenital iodine-deficiency syndrome, neurological type
Code Details
E00
Congenital iodine-deficiency syndrome
Non-Billable / Non-Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E00-E07 — Disorders of thyroid gland
2026 ICD-10-CM