By the beginning of the 20 th century, a greater percentage of Americans were addicted to opioids than at any time before or since. Opium smoking and medical use of injected pure morphine were important contributors to this, along with:

answer;

no:

a diagnostic thoracoscopy is always included in the surgical vats

explanation;

vats means video assisted thoracic surgery.

thoracoscopy is an endoscopical procedure completed on the lungs to visualize pleura, lungs and mediastinum using an endoscope

one thing to note is that a surgical thoracoscopy always includes a diagnostic thoracoscopy.

the diagnostic thoracoscopy codes are differentiated by the site and type of procedure performed.