Z79.621 is a billable/specific and POA-exempt diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Long term (current) use of calcineurin inhibitor.
Inclusion term
Long term (current) use of cyclosporine
Long term (current) use of tacrolimus
Versions
2025
No changes
2024
No changes
2023
New code