About ICD-9-CM
Coding Conventions
Supplementary Codes
Tables
Coding Guidelines
100
International Classification of Disease 9th Edition Clinical Modification
What does ICD-9-CM stand for?
100
A 4th digit is necessary for the code to be complete.
What does a red dot next to a three digit code mean?
100
Visits for healthy patients receiving treatment, Check-ups, immunizations.
What are V-codes used for?
100
A table in the index used to look up drugs and chemicals dealing with poisonings.
What is the table of drugs and chemicals?
100
If a 4th and/or a 5th digit is available, it must be used to include as much detail as possible.
What is coding to the highest level of specificity mean?
200
The Volume that lists the codes and their descriptions.
What is Volume 1?
200
Words in parentheses directly next to the main term in the index that are not necessary to get to the correct code.
What are non-essential modifiers?
200
These codes are external causes of injuries and used to determine the who will be responsible for paying the claim.
What are E-codes?
200
Coding for extremely high blood pressure.
What is the hypertension table?
200
Placing the diagnosis codes in a sequence to show primary diagnosis first then listing coexisting conditions.
What is coding order?
300
These words are printed in Bold Face type in the index.
What is a Main Term?
300
Definitions of diseases, Code first underlying disease, 5th digit boxes are all examples of this coding convention.
What are notes?
300
These codes can be used as the primary diagnosis as well as a secondary diagnosis.
What are V-codes?
300
Lumps, cysts, growths are found in the index in this format.
What is the Neoplasm Table?
300
Once a code has been found in the index, the next step is to verify it is correct.
What is never code directly from the index?
400
Terms that identify 3 , 4, and 5 digit codes.
What is category, subcategory and subclassification?
400
This term or abbreviation indicates that the code above it should be used when a condition is not completely described in the medical record.
What is NOS (not otherwise specified)?
400
A patient presents with a cyst on her back. The physician wants to perform a biopsy.
What is using personal or family history of malignant neoplasm V-code to prove medical necessity?
400
Mrs. Smith took her new thyroid medicine and developed a rash on her neck.
What is an adverse effect of therapeutic use?
400
When there isn't a definitive diagnosis or the physician documented "possible, probable, suspected in the medical record.
What is coding signs and symptoms?
500
The year HIPAA mandated the use of ICD-9-CM codes as the legal code set.
What is 1996?
500
This abbreviation appears with a term when there is no code that is specific for the condition.
What is NEC (not elsewhere classified)?
500
Annual or routine exam.
What is V70.0?
500
Nancy accidentally took 2 doses of her antidepressant.
What is an example of poisoning code and accidental E-code?
500
The correct way to code Acute and Chronic conditions on the same encounter.
What is Acute first, then Chronic?
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