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What does ICD-9 stand for?

International Classification of Disease 9th Edition Clinical Modification

Two areas classified in the health record

Patient morbidity-sickness
Patient mortality-death

What else is the ICD-9 used for?


ICD-9 translates medical neccessity into nationally accepted reporting standards from what?

Verbal and narrative writing

ICD-9 codes are supported by what?

Is documented in the chart

Volume 1

Tabular (numerical)

Volume 2


Volume 3

Tabular and alphabetic

When looking for diagnosis where do you begin?

Alphabetically in Volume 2

Once term is found in Volume 2, what must be done?

You must find the code in the tabular index volume 1

How many numbers are there in a diagnosis code?

Anywhere from 3-5 digits

The outline of the ICD-9

Chapter, Section, Categories, Subcategories, Subclassifications


Contains symbols, abbreviations, punctuations, and notes


Not elsewhere classified


Not otherwise specified


Encloses synonyms


Encloses supplementary words

Bold type

Used for all codes and titles

Italicized Type

Used for exclusion notes

Slanted brackets

Tell coder to use BOTH codes but the slanted bracket code is listed 2nd

Non-essential modifiers

Words in parenthesis have no effect on selecting code

Cross references

see ALSO

Mandatory digits

Always cod to the highest specificity


Diseases or procedures named for a person

Waht are the table in ICD-9

Hypertension, Neoplasm, Drug and Chemical

E codes

External cause

V codes

Reasons seeking medical attention when not sick

Appendix A

Morphology of Neoplasm

Appendix B

Deleted areas of Mental Disorders

Appendix C

Classification of Drugs

Appendix D

Classification of Industrial accidents

Appendix E

List of all 3 digit categories

Who uses Volume 3

Procedures for inpatient coding

How are the numbers different for Volume 3?

Has only 2 digits in front of the decimal

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