Billable / Specific Code
ICD-10-CM E02 is the diagnosis code for Subclinical iodine-deficiency hypothyroidism. This code falls under the section "Disorders of thyroid gland" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where E02 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, E02 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
E02 is the ICD-10-CM diagnosis code for "Subclinical iodine-deficiency hypothyroidism". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
E02 is located in Section E00-E07 — "Disorders of thyroid gland" within Chapter 4 of the ICD-10-CM Tabular List.
Use E02 when the patients documented diagnosis matches "Subclinical iodine-deficiency hypothyroidism" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Subclinical iodine-deficiency hypothyroidism is E02.
Yes, E02 can be used as a primary diagnosis code since it is billable and specific.
E02 is in Chapter 4 of the ICD-10-CM Tabular List.
Yes, E02 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.