Z79.621

Billable
ChapterZ00–Z99
Ranksubcategory
Official Description

Long term (current) use of calcineurin inhibitor

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Instructional Notes

Includes
  • Long term (current) use of cyclosporine
  • Long term (current) use of tacrolimus
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH21Factors influencing health status and contact with health services (Z00-Z99)
Z77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Z79Long term (current) drug therapy
Z79.6Long term (current) use of immunomodulators and immunosuppressants
Z79.62Long term (current) use of immunosuppressant
Z79.621Long term (current) use of calcineurin inhibitorBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z79.621:

subcategoryZ79.6
Long term (current) use of immunomodulators and immunosuppressants
View context instructions
categoryZ79
Long term (current) drug therapy
View context instructions
blockZ77-Z99
Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
View context instructions

Code History

  • FY 2022: This code replaced Z79.899 (Other long term (current) drug therapy)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Cross Reference

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