In the ICD-10-CM Index to Diseases and Injuries, the Primary

question 6

Multiple Choice

In the ICD-10-CM Index to Diseases and Injuries, the primary arrangement for diagnoses is by _____.

• A) condition
• B) site
• C) location
• D) severity

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Definitions:

First Thoracic

The first thoracic refers to the first vertebra of the thoracic spine, which is located in the upper back and helps support the ribcage.

Sympathetic Chain

A part of the autonomic nervous system consisting of a series of ganglia located along both sides of the spine that regulate involuntary body functions.

Splanchnic Nerves

Nerves that innervate the internal organs, carrying fibers that influence the function of the gastrointestinal tract, liver, and other organs.

Gray Rami

Nerve fibers that connect the sympathetic ganglia to spinal nerves, conveying mostly unmyelinated postganglionic fibers.