The Third Character in the Medical and Surgical Section of ICD-10-PCs

question 28

True/False

The third character in the Medical and Surgical section of ICD-10-PCs references the device that is used.

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Definitions:

Cortex

The outer layer of the cerebrum in the brain, involved in many advanced brain functions, including memory, attention, perceptual awareness, and language.

Depolarization

A decrease in the difference in charge between the inside and outside of a cell's plasma membrane, often leading to nerve impulse transmission or muscle contraction.

Na+

Sodium ions, an essential electrolyte in the body that helps regulate blood pressure, blood volume, and pH levels, as well as nerve and muscle function.

Gray Matter

Regions of the brain and spinal cord consisting primarily of neuronal cell bodies, dendrites, unmyelinated axons, and glial cells, involved in muscle control and sensory perception.