ICD-10 Code D33.2 – Benign neoplasm of brain, unspecified (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code D33.2 – Benign neoplasm of brain, unspecified
What it is
D33.2 identifies a noncancerous tumor in the brain when the specific site is not documented. It indicates a benign intracranial neoplasm, but the exact brain location remains unspecified.
Clinical signs
Clinical features vary; refer to documentation. Patients may have signs of a mass effect or neurologic dysfunction, but the chart should support the presence of a benign brain tumor.
When to use this code
Use D33.2 when the provider documents a benign brain tumor and does not name a more specific cerebral site. It is appropriate when imaging, pathology, or operative notes confirm a benign neoplasm, but the record only says “brain” or “intracranial” without further detail.
Do not use for
Do not use this code for malignant brain tumors, metastatic disease, or benign neoplasms with a documented specific site. Check documentation if the lesion is outside the brain or if the diagnosis is uncertain.
Coding tip
If the report gives a precise brain location, code the more specific benign neoplasm code instead of D33.2.