ICD-10 Code C22.2 – Hepatoblastoma (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C22.2 – Hepatoblastoma
What it is
C22.2 identifies hepatoblastoma, a malignant liver tumor that most often occurs in children. Use this code when the record documents a primary hepatoblastoma diagnosis.
Clinical signs
Clinical features vary; refer to documentation. Common findings include an enlarging abdominal mass, abdominal distension, pain, or incidental imaging evidence of a liver tumor in a child.
When to use this code
Use C22.2 when the provider documents hepatoblastoma, including confirmed or suspected primary liver tumor cases coded for the encounter. It is appropriate when pathology, imaging, or specialist notes identify this specific malignancy. Check documentation if the record only says “liver cancer” or gives a different primary site.
Do not use for
Do not use this code for benign liver masses, metastatic liver tumors, or other primary liver cancers. If the diagnosis is unspecified or different, code the documented condition instead.
Coding tip
Verify that the tumor is documented as hepatoblastoma, not just a generic hepatic malignancy, before assigning C22.2.