Z83.3 — Family history of diabetes mellitus

Z83.3

ICD-10 Chapter 21: Factors Influencing Health Status — illustrative image — Chapter 21: Factors influencing health status and contact with health services (Z00–Z99) — illustrative image

What this code means

A family history of diabetes mellitus in close relatives, a risk factor for developing diabetes.

Also called: family history diabetes.

When this code is used

Used for family history of diabetes mellitus.

Where it sits in ICD-10-CM

Code Z83.3 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.

Learn more about this condition

Condition guide: Type 2 Diabetes

Frequently asked questions

What is ICD-10-CM code Z83.3?

Z83.3 is the ICD-10-CM diagnosis code for “Family history of diabetes mellitus”. A family history of diabetes mellitus in close relatives, a risk factor for developing diabetes.

When is code Z83.3 used?

Used for family history of diabetes mellitus. 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.