Instructional Notations

Question 1

NEC

Answer 1

not elsewhere classifiable

Question 2

NOS

Answer 2

not otherwise specified

Question 3

Brackets

Answer 3

[enclose synonyms, alternate wording, or explanatory phrases] they identify manifestation codes.

Question 4

Parentheses

Answer 4

(enclose supplementary works that may be present or absent in the statement of a disease or procedure without affecting the code)

Question 5

Non-essential modifiers

Answer 5

terms within the parentheses

Question 6

Colon

Answer 6

used in the tabular List after an incomplete term that needs one or more of the modifiers following the colon to make it assignable to a given category

Question 7

And

Answer 7

interpreted to mean either “and” or “or” when it appears in a title

Question 8

With

Answer 8

interpreted to mean “associated with or due to”. Presumes a causal relationship between two conditions

Question 9

Includes

Answer 9

this note appears immediately under a three-character code title to further define, or give examples of, the content of the category

Question 10

Excludes 1

Answer 10

NOT coded here

Question 11

Excludes 2

Answer 11

Not included here. Condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time

Question 12

Code First

Answer 12

the code is sequenced first

Question 13

Additional Code

Answer 13

an additional Code be required to fully describe the condition

Question 14

Code Also

Answer 14

instructs that two codes may be required to fully describe the condition, but this not does not provide sequencing direction