Z79.84
Long term (current) use of oral hypoglycemic drugs
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
any follow-up examination (Z08-Z09)
Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways: (a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury. (b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.
Official Guidelines for Z79.84
FY 2026 ›Sections that reference Z79.84
- I.C.4.a.3)Diabetes mellitus and the use of insulin, oral hypoglycemics, and injectable non-insulin drugsChapter 4
… is treated with both oral hypoglycemic drugs and insulin, both code Z79.4, Long term (current) use of insulin, and code Z79.84, Long term (current) use of oral hypoglycemic drugs, should be assigned. …
- I.C.4.a.6)(a)Secondary diabetes mellitus and the use of insulin, oral hypoglycemic drugs, or injectable non-insulin drugsChapter 4
… is treated with both oral hypoglycemic drugs and insulin, both code Z79.4, Long term (current) use of insulin, and code Z79.84, Long term (current) use of oral hypoglycemic drugs, should be assigned. …
- I.C.15.iGestational (pregnancy induced) diabetesChapter 15
… Codes Z79.4, Long-term (current) use of insulin, Z79.84, Long-term (current) use of oral hypoglycemic drugs, and Z79.85, Long-term (current) use of injectable non-insulin …
- I.C.1.a.2)(j)HIV disease or HIV positive status managed by antiretroviral medicationChapter 1
… [HIV] infection status, in the absence of any additional documentation of HIV disease, HIV-related illness or AIDS. Code Z79.899, Other long term (current) drug therapy, may be assigned as an additional code to identify the long-term (current) use of …
- I.C.21.c.3)Status
… code should not be reported when it is documented by the provider that a patient is temporarily restrained during a procedure. Z79 Long-term (current) drug therapy Codes from this category indicate a patient’s continuous use of a prescribed drug (including …
- I.B.3Code or codes from A00.0 through T88.9, Z00-Z99.8, U00-U85Conventions & general rules
The appropriate code or codes from A00.0 through T88.9, Z00-Z99.8, and U00-U85 must be used to identify diagnoses, symptoms, conditions, problems, complaints or other reason(s) for the …
Showing 6 of 9. Search the guidelines for Z79. Sections whose FY 2026 text names Z79.84, its Z79 category, or a range containing it — the chapter guidance above is the authoritative source.
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