ICD-10-CM diagnosis code
Z85.818 Personal history of malignant neoplasm of other sites of lip, oral cavity, and pharynx
- Billable
- Yes, a complete code (FY2026)
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Other codes in Z85
60 complete codes in this category.
- Z85.59Personal history of malignant neoplasm of other urinary tract organ
- Z85.6Personal history of leukemia
- Z85.71Personal history of Hodgkin lymphoma
- Z85.72Personal history of non-Hodgkin lymphomas
- Z85.79Personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues
- Z85.810Personal history of malignant neoplasm of tongue
- Z85.818Personal history of malignant neoplasm of other sites of lip, oral cavity, and pharynx
- Z85.819Personal history of malignant neoplasm of unspecified site of lip, oral cavity, and pharynx
- Z85.820Personal history of malignant melanoma of skin
- Z85.821Personal history of Merkel cell carcinoma
- Z85.828Personal history of other malignant neoplasm of skin
- Z85.830Personal history of malignant neoplasm of bone
Documentation tips
- Make sure the note supports every element of the title, “Personal history of malignant neoplasm of other sites of lip, oral cavity, and pharynx”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to Z85.
The international WHO ICD-10 also has Z85, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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