Updates to Volumes 1 and 2 of the ICD-9-CM May

question 90

Short Answer

Updates to Volumes 1 and 2 of the ICD-9-CM may include:
A)addition of new codes.
B)deletion of old codes.
C)revisions to descriptors.
D)all of the above.

• A)addition of new codes.
• B)deletion of old codes.
• C)revisions to descriptors.
• D)all of the above.

---

Definitions:

Chloride Ions

Negatively charged ions (Cl⁻) that play essential roles in fluid balance, nerve signaling, and muscle activity in the body.

Na+

Sodium ions, which are essential for various bodily functions including maintaining fluid balance and transmitting nerve impulses.

Extracellular Fluid

The fluid existing outside the cells, providing a medium for transporting nutrients, oxygen, and waste products to and from the cells.