| Year | Detail |
| 1939 |
Ortho Products Inc. is formed. |
| 1947 |
Ortho developed the first blood bank anti-D test. |
| 1979 |
Quidel Corp is founded in San Diego, California. |
| 1983 |
Introduced the first commercial product for pregnancy testing. |
| 1989 |
Introduced first hepatitis C antibody test. |
| 1999 |
Quidel received FDA clearance for rapid diagnostics flu test, Quickvue, and Influenza Test A+B. |
| 2010 |
Quidel acquired Diagnostics Hybrids Inc. |
| 2011 |
Received FDA clearance for Sofia. |
| 2017 |
Quidel acquired Traige's cardiac and toxicology product line. |
| 2022 |
Quidel corp. and Ortho Clinical Diagnostics merged as QuidelOrtho. |
| 2023 |
QuidelOrtho Corp. partnered with BYG4lab. |