# International Statistical Classification Of Diseases ICD-10

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Questions: 5 | Attempts: 689

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Take this fun, quick quiz that tests basic knowledge of ICD-10.

• 1.

### The first digit of an ICD-10 CM diagnosis code is:

• A.

Always numeric

• B.

Always a letter

• C.

Either a number or a letter

B. Always a letter
Explanation
ICD-10 CM diagnosis codes are from 3-7 digits in length and the first digit is always a letter.

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• 2.

### The United States will be the first country to adopt ICD-10.

• A.

True

• B.

False

B. False
Explanation
Actually, the US is the *last* industrialized nation to move to ICD-10.

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• 3.

### What is the designated placeholder character for ICD-10-CM?

• A.

There is no placeholder character in ICD-10-CM

• B.

Z

• C.

X

C. X
Explanation
In ICD-10-CM, some codes must be comprised of 7 digits, however in certain cases, there may not be a value specified for the 5th and/or 6th digit. In those cases, the placeholder 'x' must be placed in those positions in order for the code to be valid.

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• 4.

### How many characters comprise an ICD-10 PCS procedure code?

• A.

3-7

• B.

Up to 5

• C.

7

C. 7
Explanation
ICD-10 PCS codes are always 7 digits long. Those digits may be a number or a letter.

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• 5.

### ICD-10 PCS procedure codes will replace CPT codes for outpatient procedures effective October 1, 2013.

• A.

True

• B.

False

B. False
Explanation
Physicians' offices and outpatient facilities will continue to utilize Current Procedural Terminology (CPT) codes; they will not be required to use ICD-10-PCS codes.

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Jan 06, 2012
Quiz Created by
Jaymee_lewin

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