January 19, 2021

The NUCC has approved the use of Condition Codes 90 and 91 for immediate use on the 1500 Claim Form and in the 837 Professional as follows:

• 90 - Service provided as part of an Expanded Access (EA) approval
• 91 - Service provided as part of an Emergency Use Authorization (EUA)

The Centers for Medicare & Medicaid Services (CMS) recently released MLN Matters MM12049 on the use of these Condition Codes for Medicare claims effective February 1, 2021.  

The complete list of Condition Codes available for use in the professional claim is available on the Condition Codes page under the Code Sets tab.