Z79.624
Billable codeLong term (current) use of inhibitors of nucleotide synthesis
The ICD-10 code for long term (current) use of inhibitors of nucleotide synthesis is Z79.624.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Long term (current) use of azathioprine
- Long term (current) use of mycophenolate
- Long term (current) use of purine synthesis (IMDH) inhibitors
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- 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
Associated MS-DRGs
Z79.624 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.