Reminder: Use U09.9 for long-term COVID-19 as a secondary diagnosis code

When treating patients for documented residual or long-term effects of COVID-19, use diagnosis codes for the specific symptoms. In addition, be sure to include U09.9 as a secondary diagnosis code. Including U09.9 is important for tracking the number of patients with long-term COVID-19.

More information about diagnosis codes for COVID-19 treatment is available in the Billing tips for COVID-19 and Billing tips for COVID-19 at a Glance documents on our COVID-19 webpage for health care providers.

This information is also available on our provider portal. Here’s how to find it:

1. Log in to our provider portal (availity.com**).
2. Click on Payer Spaces on the menu bar and then click on the BCBSM and BCN logo.
3. Click on the Resources tab.
4. Click on Secure Provider Resources (Blue Cross and BCN).
5. Under Easy Access, click on Coronavirus information.

None of the information included in this article is intended to be legal advice and, as such, it remains the provider’s responsibility to ensure that all coding and documentation are done in accordance with all applicable state and federal laws and regulations.

**Blue Cross Blue Shield of Michigan and Blue Care Network don’t own or control this website.