Z85.23

Z85.23: Personal history of malignant neoplasm of thymus

Non-billable headerICD-10-CM

Z85.23 is a non-billable header ICD-10-CM code for personal history of malignant neoplasm of thymus. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 inherited from the categories above Z85.23

Not part of this code, but both may be coded when both are present.

Written on Z85: Personal history of malignant neoplasm

personal history of benign neoplasm (Z86.01-)
personal history of carcinoma-in-situ (Z86.00-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead Z85.23

2 child codes. Green means billable.

Z85.230Personal history of malignant carcinoid tumor of thymus
Z85.238Personal history of other malignant neoplasm of thymus

Other codes under Z85.2

Z85.20Personal history of malignant neoplasm of unspecified respiratory organ
Z85.21Personal history of malignant neoplasm of larynx
Z85.22Personal history of malignant neoplasm of nasal cavities, middle ear, and accessory sinuses
Z85.29Personal history of malignant neoplasm of other respiratory and intrathoracic organs