In the kidney, the structures that filter the blood are the

Each kidney is made up of about a million filtering units that are called nephrons. Each of the nephrons filter a small amount of blood the nephron includes a filter that would be called glomerulus, and a tubule. The nephrons work through a two-step process.

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.