Z80.0 — Family history of malignant neoplasm of digestive organs
Z80.0

What this code means
A family history of malignant neoplasm (cancer) of the digestive organs, such as colon or stomach cancer in a relative.
Also called: family history digestive cancer, family history colon cancer.
When this code is used
Used for family history of malignant neoplasm of digestive organs.
Where it sits in ICD-10-CM
Code Z80.0 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 Z80.0?
Z80.0 is the ICD-10-CM diagnosis code for “Family history of malignant neoplasm of digestive organs”. A family history of malignant neoplasm (cancer) of the digestive organs, such as colon or stomach cancer in a relative.
When is code Z80.0 used?
Used for family history of malignant neoplasm of digestive organs. 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