CPC ICD-10-CM Diagnosis Coding

Question 1

What does the abbreviation ICD-10-CM stand for?

Accepted Answer

International Classification of Diseases, 10th Revision, Clinical Modification

Answer

ICD-10-CM stands for International Classification of Diseases, 10th Revision, Clinical Modification — the U.S. diagnostic coding system.

Question 2

What is the maximum number of characters an ICD-10-CM code can have?

Accepted Answer

7

Answer

ICD-10-CM codes have a maximum of 7 characters: a 3-character category followed by up to 4 additional alphanumeric characters.

Question 3

In ICD-10-CM, what type of character always occupies the first position of every code?

Accepted Answer

An alpha character representing the chapter category

Answer

The first character of every ICD-10-CM code is always an alpha (letter) character, which identifies the chapter grouping.

Question 4

What does the abbreviation 'NEC' mean in ICD-10-CM?

Accepted Answer

Not Elsewhere Classified

Answer

NEC stands for 'Not Elsewhere Classified,' used when the provider's documentation is specific but no dedicated code exists for that specificity.

Question 5

What is the purpose of a placeholder 'X' in ICD-10-CM?

Accepted Answer

To allow a code to extend to a required 7th character position

Answer

The placeholder X fills an empty character position so that a code requiring a 7th character can be properly structured.

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