Z79.84 — Long term (current) use of oral hypoglycemic drugs
Z79.84

What this code means
Long-term (current) use of oral diabetes medicines (tablets that lower blood glucose).
Also called: oral hypoglycemic use, diabetes tablets.
When this code is used
Used for long term (current) use of oral hypoglycemic drugs.
Where it sits in ICD-10-CM
Code Z79.84 belongs to Chapter 21: Factors influencing health status and contact with health services, which covers codes Z00–Z99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
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Frequently asked questions
What is ICD-10-CM code Z79.84?
Z79.84 is the ICD-10-CM diagnosis code for “Long term (current) use of oral hypoglycemic drugs”. Long-term (current) use of oral diabetes medicines (tablets that lower blood glucose).
When is code Z79.84 used?
Used for long term (current) use of oral hypoglycemic drugs. It belongs to Chapter 21 of ICD-10-CM (Factors influencing health status and contact with health services).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.
More codes in Chapter 21
Z00.00 — Encounter for general adult medical examination without abnormal findings
Z00.01 — Encounter for general adult medical examination with abnormal findings
Z00.129 — Encounter for routine child health examination without abnormal findings
Z01.419 — Encounter for gynecological examination (general) (routine) without abnormal findings
Z01.818 — Encounter for other preprocedural examination
Z09 — Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm