India, Oct. 20 -- India's health care story is often told through the expansion of hospitals, medical colleges, imaging centres, laboratories and diagnostic packages. More tests are available today than ever before. Blood investigations can be booked from home, scans can be scheduled through an app, and advanced molecular and imaging technologies are reaching an increasing number of patients. But healthcare cannot be transformed simply by increasing the number of tests. India now needs something more fundamental: A diagnostic quality revolution.

Diagnostics has become central to modern health care. Industry data indicates that diagnostics contribute to more than 70% of clinical decision making, while accounting for only around 6% of tota...