Apple Health DC:0-5™ Crosswalk updated for 2026

Washington State Health Care Authority sent this bulletin at 01/14/2026 08:05 AM PST

January 14, 2026

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Apple Health DC:0-5™ Crosswalk updated for 2026

Apple Health DC:0-5™ Crosswalk has been updated for 2026, effective January 1, 2026.

View the updated Crosswalk

What has changed?

Corresponding ICD-10-CM codes were changed for the following DC:0-5™ disorders, to better align with DC:0-5™ and ICD-10 coding guidance, and to allow for more accurate reporting using administrative claims data:

Attention Deficit and Hyperactivity Disorder (ADHD)
Overactivity Disorder or Toddlerhood (OADT)
Overeating Disorder

What do I need to do?

If you use HCA's link to reference the Crosswalk, this link will automatically update, and no action is required.
If you use a downloaded or printed version of the Crosswalk, please download or print the updated 2026 Crosswalk.

If you have the DC:0-5™Crosswalk programmed into your Electronic Health Record (EHR) system, you can use the 2026 Tabular file to make updates within your system.

What is the DC:0-5™?

The DC:0-5™ is the internationally accepted system for developmentally appropriate assessment of young children's mental health and is recommended as a best practice by both CMS and SAMHSA's National Guidelines for Child and Youth Behavioral Health Crisis Care (hosted by Zero Suicide). State legislation requires Apple Health mental health professionals to use the DC:0-5™ for the assessment and diagnosis of children younger than six.

What is the Apple Health DC:0-5™ crosswalk?

The Apple Health DC:0-5™ Crosswalk is a reference tool that helps Apple Health providers ‘crosswalk’ DC:0-5™ diagnoses to associated ICD-10 diagnostic codes, which are required for Apple Health billing purposes.

Learn more about the DC:0-5

About the Health Care Authority (HCA)

Functioning as both the state's largest health care purchaser and its behavioral health authority, the Washington State Health Care Authority (HCA) is a leader in ensuring Washington residents have the opportunity to be as healthy as possible.

There are three pillars of our work: Apple Health (Medicaid); the Public Employees Benefits Board (PEBB) and School Employees Benefits Board (SEBB) programs; and behavioral health and recovery. Under these pillars, HCA purchases health care, including behavioral health treatment for more than 2.7 million Washington residents and provides behavioral health prevention, crisis, and recovery supports to all Washington residents.

Please do not reply directly to this message. For more information, visit the HCA website, where you'll also find contact information.

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The Washington State Health Care Authority (HCA) complies with all applicable federal and Washington state civil rights laws and is committed to providing equal access to our services. Visit HCA’s website to view complete nondiscrimination statements.