Z51.1 ENCOUNTER FOR ANTINEOPLASTIC CHEMOTHERAPY AND IMMUNOTHERAPY

Code Information

Diagnosis Code: Z51.1

Short Description: Encounter for antineoplastic chemotherapy and immunotherapy

Long Description: Encounter for antineoplastic chemotherapy and immunotherapy

The code Z51.1 is NOT VALID for claim submission

Code Classification:

Factors influencing health status and contact with health services (Z00–Z99)
- Encounters for other specific health care (Z40-Z53)
  - Encounter for other aftercare and medical care (Z51)
    - Z51.1 Encounter for antineoplastic chemotherapy and immunotherapy

Code Version: 2022 ICD-10-CM

The code Z51.1 has the following ICD-10-CM references to the Index of Diseases and Injuries

Type 2 Excludes Notes:
- encounter for chemotherapy and immunotherapy for nonneoplastic condition - code to condition

ICD-10 Code	ICD-10 Description
Z51	Encounter for other aftercare and medical care
Z51.0	Encounter for antineoplastic radiation therapy
Z51.11	Encounter for antineoplastic chemotherapy
Z51.12	Encounter for antineoplastic immunotherapy
Z51.5	Encounter for palliative care
Z51.6	Encounter for desensitization to allergens
Z51.8	Encounter for other specified aftercare
Z51.81	Encounter for therapeutic drug level monitoring
Z51.89	Encounter for other specified aftercare

This page was last updated on: 10/1/2023