Z79.621
BillableLong term (current) use of calcineurin inhibitor
Z79.621 is the ICD-10-CM code for Long term (current) use of calcineurin inhibitor. It is a billable, specific code valid for reimbursement.
Z00-Z99 Factors influencing health status and contact with health services
Includes
- •Long term (current) use of cyclosporine
- •Long term (current) use of tacrolimus
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code Z79.621?
- Z79.621 is the ICD-10-CM code for "Long term (current) use of calcineurin inhibitor". It falls under Z00-Z99 Factors influencing health status and contact with health services.
- Is Z79.621 a billable code?
- Yes — Z79.621 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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