: hepatitis clinically similar to hepatitis A and hepatitis B but caused by a different virus
especially : hepatitis c

Examples of non-A, non-B hepatitis in a Sentence

Recent Examples on the Web
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This new, mysterious type of hepatitis was coined non-A, non-B hepatitis (NANBH) and was characterized by elevated liver transaminases closely associated with cirrhosis and liver disease. — William A. Haseltine, Forbes, 13 Feb. 2023

Word History

First Known Use

1975, in the meaning defined above

Time Traveler
The first known use of non-A, non-B hepatitis was in 1975

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Cite this Entry

“Non-A, non-B hepatitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/non-A%2C%20non-B%20hepatitis. Accessed 25 Sep. 2026.

Medical Definition

: hepatitis clinically and immunologically similar to hepatitis A and hepatitis B but caused by different viruses
especially : hepatitis c
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