In the U.S., ICD-10 is split into two systems: ICD-10-CM (Clinical Modification), for diagnostic coding, and ICD-10-PCS (Procedure Coding System), for inpatient hospital procedure coding.

What is the ICD-10 code for subclinical hypothyroidism?

Subclinical iodine-deficiency hypothyroidism

E02 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2022 edition of ICD-10-CM E02 became effective on October 1, 2021.

How do you code subclinical hypothyroidism?

We will code Subclinical hypothyroidism (E02) because it is more specific than Hypothyroidism, unspecified.