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Home Health ICD-9/ICD-10 Alert

Coding 101:

Test Your Knowledge of ICD-9 Coding Facts and Terms

Published on Thu Jul 01, 2004

Put your skills to the test with this general ICD-9-CM quiz. How well do you know your manual?

1. In ICD-9-CM, what does "ICD-9" stand for?

A. Internal Classification of Diseases, ninth edition
B. International Categories of Diseases, ninth revision
C. Intestinal Categories of Diseases, ninth edition
D. International Classification of Diseases, ninth revision

2. In ICD-9-CM, what does "CM" stand for?

A. clinical modification
B. co-morbidity
C. classification of medicines
D. classes of modifiers

3. V codes are primarily designed to accomplish which of the following purposes:

A. to code signs or symptoms
B. to classify a new drug
C. to serve as supplementary classification of factors influencing health status
D. to clarify external circumstances that have caused an injury or poisoning

4. How many volumes are there in ICD-9-CM?

A. 12
B. 9
C. 3
D. 6

5. In ICD-9, a five-digit code that adds additional information and specificity is considered a:

A. section
B. category
C. subcategory
D. subclassification

6. ICD-9-CM contains tables for coding which of the following?

A. neoplasms
B. hypertension
C. drugs
D. all of the above

7. Which of the following does ICD-9 use to enclose synonyms, alternative wording, or explanatory phrases?

A. Braces { }
B. Brackets [ ]
C. Colons :
D. Parentheses ( )

8. When should you report a diagnosis code that is "NOS"?

A. When the medical record specifies a condition, but no separate code for that condition is specified
B. When the medical record does not specify a condition and you don't know which code to report
C. When the medical record does not permit a more specific code assignment and the condition is designated "unspecified"
D. When the medical record does not classify a condition and you are required to report a fifth digit

9. When the same condition is described as both acute and chronic, how should you code the principal diagnosis?

A. Code both and sequence the chronic code first
B. Code only the chronic code
C. Code both and sequence the acute code first
D. Code only the acute code

10. Subterms that follow the main term in ICD-9-CM coding and are enclosed in parentheses are called:

A. nonessential modifiers
B. underlying diseases
C. medical necessity terms
D. adverse effects

Answers: 1. D  2. A  3. C  4. C  5. D  6. D  7. B  8. C  9. C  10. A.

 

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