What Is the Purpose of External Cause Codes in the ICD-10

question 10

Multiple Choice

What is the purpose of external cause codes in the ICD-10?

• A) They usually only contain four characters.
• B) They are used as first-listed diagnosis codes.
• C) They are used to gather statistics about causes and severity of injury.
• D) They are required on insurance forms in order to obtain reimbursement.

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Definitions:

Mydriat

Often refers to mydriasis, the dilation of the pupil of the eye caused by disease, trauma, or the use of certain drugs.

Dilation

The action of expanding or being expanded in diameter or volume; in medical contexts, it often refers to the expansion of a passage or cavity.

Phacoemulsification

A modern cataract surgery technique using ultrasonic energy to emulsify the eye's lens before its removal and intraocular lens implantation.

Ultrasound

A medical imaging technique that uses high-frequency sound waves to visualize internal organs and produce images of the body.