Z79.62 — Long term (current) use of immunosuppressant
Is Z79.62 billable?
No — Z79.62 is a non-billable header code. Z79.62 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 5 billable codes beneath Z79.62.
Billable codes under this header
- Z79.620Long term (current) use of immunosuppressive biologic
- Z79.621Long term (current) use of calcineurin inhibitor
- Z79.622Long term (current) use of Janus kinase inhibitor
- Z79.623Long term (current) use of mammalian target of rapamycin (mTOR) inhibitor
- Z79.624Long term (current) use of inhibitors of nucleotide synthesis
Z79.62 at a glance
| Code | Z79.62 |
|---|---|
| Description | Long term (current) use of immunosuppressant |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here — inherited from Z79
The conditions below are not part of Z79.62, but a patient may have both at the same time. When documentation supports it, Z79.62 and the excluded code may both be reported.
Excludes2 — not included here — inherited from Z79.6
The conditions below are not part of Z79.62, but a patient may have both at the same time. When documentation supports it, Z79.62 and the excluded code may both be reported.
Code also — inherited from Z77-Z99
Two codes may be needed to describe the condition fully. Whether Z79.62 is sequenced first depends on the reason for the encounter.
- any follow-up examination (Z08-Z09)
Code also — inherited from Z79
Two codes may be needed to describe the condition fully. Whether Z79.62 is sequenced first depends on the reason for the encounter.
- any therapeutic drug level monitoring (Z51.81)
What codes fall under Z79.62? (5)
- Z79.620Long term (current) use of immunosuppressive biologic
- Z79.621Long term (current) use of calcineurin inhibitor
- Z79.622Long term (current) use of Janus kinase inhibitor
- Z79.623Long term (current) use of mammalian target of rapamycin (mTOR) inhibitor
- Z79.624Long term (current) use of inhibitors of nucleotide synthesis
How long has Z79.62 existed?
Z79.62 first appears in FY2023.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the Z79.6 family? (5)
- Z79.60Long term (current) use of unspecified immunomodulators and immunosuppressants
- Z79.61Long term (current) use of immunomodulator
- Z79.63Long term (current) use of chemotherapeutic agentnot billable
- Z79.64Long term (current) use of myelosuppressive agent
- Z79.69Long term (current) use of other immunomodulators and immunosuppressants