Z79.64
Billable codeLong term (current) use of myelosuppressive agent
The ICD-10 code for long term (current) use of myelosuppressive agent is Z79.64.
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 hydroxyurea
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
- Z79.60Long term (current) use of unspecified immunomodulators and immunosuppressants
- Z79.61Long term (current) use of immunomodulator
- Z79.62Long term (current) use of immunosuppressantnon-billable header
- Z79.63Long term (current) use of chemotherapeutic agentnon-billable header
- Z79.69Long term (current) use of other immunomodulators and immunosuppressants
- Z79.64Long term (current) use of myelosuppressive agent
Associated MS-DRGs
Z79.64 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.