Z79.85 Long-term (current) use of injectable non-insulin antidiabetic drugs

The ICD-10-CM code for Long-term (current) use of injectable non-insulin antidiabetic drugs is Z79.85 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

21: Factors influencing health status and contact with health services (Z00-Z99)

Section

Z77-Z99: Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Category Z79

41 codes (32 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Z79.85:

• Long-term (current) (prophylactic) drug therapy (use of) › antidiabetic drugs, injectable, non-insulin
• Long-term (current) (prophylactic) drug therapy (use of) › non-insulin antidiabetic drug, injectable

U.S. Hospital Utilization

• An estimated 259,100 U.S. inpatient stays in 2023 included Z79.85 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Insulin + injectable non-insulin: assign Z79.4 and Z79.85

If the patient is treated with both insulin and an injectable non-insulin antidiabetic drug, assign codes Z79.4, Long term (current) use of insulin, and Z79.85, Long-term (current) use of injectable non-insulin antidiabetic drugs.

Oral hypoglycemics + injectable non-insulin: Z79.84 and Z79.85

If the patient is treated with both oral hypoglycemic drugs and an injectable non-insulin antidiabetic drug, assign codes Z79.84, Long term (current) use of oral hypoglycemic drugs, and Z79.85, Long-term (current) use of injectable non-insulin antidiabetic drugs.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference Z79.85 with the canonical source and edition:

Z79.85 — Long-term (current) use of injectable non-insulin antidiabetic drugs. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Z79.85

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