ICD-10 Code C49.A0 – Gastrointestinal stromal tumor, unspecified site (2026): Diagnosis, Symptoms & Billing Guide
The ICD-10 code for Gastrointestinal stromal tumor, unspecified site is C49.A0.2026 ICD-10-CM Diagnosis Code C49.A0 – Gastrointestinal stromal tumor, unspecified site Related ICD-10 Codes Parent code: C49 – Malignant neoplasm of other connective and soft tissue What it is This code identifies a gastrointestinal stromal tumor (GIST) when the record confirms the diagnosis but does…