ICD-10-CM Z51.1: Encounter for antineoplastic chemotherapy and immunotherapy

ICD-10-CM Diagnosis Code (2025)

Official Description for Z51.1

Encounter for antineoplastic chemotherapy and immunotherapy

Coding Notes & Guidelines for Z51.1

Excludes2: Not Included Here

encounter for chemotherapy and immunotherapy for nonneoplastic condition - code to condition

Parent Code (Less Specific):

About ICD-10-CM Code Z51.1 (Encounter for antineoplastic chemotherapy and immunotherapy)

ICD-10-CM code Z51.1 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Z51.1 became effective on October 1, 2024.

This page provides detailed information about Z51.1 - Encounter for antineoplastic chemotherapy and immunotherapy. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Encounter for antineoplastic chemotherapy and immunotherapy.