ICD-10-CM Diagnosis Codes: FY 2021

FY 2021 ICD-10-CM diagnosis codes are now available for patient encounters that occur from October 1, 2020, through September 30, 2021.

FY 2021 ICD-10-CM diagnosis codes are available on the 2021 ICD-10-CM webpage.

Use these codes for patient encounters that occur from October 1, 2020, through September 30, 2021.

You may wish to look up your list of most frequently used diagnosis codes to determine if they have been modified.

Usual modifications include increasing the specificity. On occasion, similar but newer codes are available.

Failure to update codes that have been modified or change may result in rejected claims after October 1, 2020.