Credential or role

ONC medical abbreviation

ONC means "oncology".

Each meaning matched at least two public references (2 in all for ONC), checked October 23, 2026. The table lists them.

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What ONC means

Also written: onc.

Example

Sample referral: "onc consult."

A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.

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Elsewhere on Rivvi

Questions

What does ONC mean in medical terms?

ONC means "oncology".

Where is ONC used?

ONC shows up in charting and staffing. Its category here is credential or role.

Is ONC on the Joint Commission Do Not Use list?

No. ONC is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.

Source: NLM SPECIALIST Lexicon abbreviations file (LRABR); Army Regulation 40-66, Appendix B: Authorized Medical Records Abbreviations. Data as of October 23, 2026. Last updated October 23, 2026. How we source data. Spotted an error? Send a correction.

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