The correct codes are 63267 and 69990.
The codes are given based on the lesion if it is intradural or extradural. In our case here it is extradural cystic structure so that is why it ranges between 63265 to 63268.
We also divide the section of spine depending on where the lesion is being located. Code 63267 describes laminectomy which has evacuation of intraspinal lesion which is found in the lumbar spine.
69990 code documents the use of microscope.
The oxygen can affect in the carbon cycle
Answer:
Ocean exploration is beneficial as it leads to the discoveries of unexpected things. By exploring the oceans, we can look for the baseline information which helps us to have a better understanding of the environmental changes. The mysteries hidden in the deep oceans can prove to be sources for better medicinal drugs, nutrients, energy, food and other types of products and substances. Hence, ocean exploration will also be beneficial for our future generations as many valuable products can be found from the oceans which will lead to the betterment of human life.
