HISTORY
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FORMAT
Conventions
100

They issued ICD-10 in 1993.

Who is WHO?

100

I am located after the alpha index. 

What is the Neoplasm take?

100

You always start with me. 

What is the alphabetic index?

100

I am 5-7 numbers and add the greatest level of specificity. 

What is a sub-classification code?

100

I am the equivalent of "unspecified".

What is NOS (not otherwise specified.)

200

This is the USA's version of ICD-10.

What is ICD-10CM?

200

I use this trick to remember the chapters in ICD-10.

What is a mnemonic device?

200

You can find me in the index this way.

What is by condition, signs or symptoms?

200

I am the smallest amount but tell the start.

What is a category?

200

I enclose "essential modifiers".

What are parentheses?

300

We use these to indicate what is wrong with you.

What is ICD Diagnostic Codes?

300

When you use my code, it usually isn't because the patient was sick.  

What is a Z code?

300

If you are in the hospital your code would come from here.

What is the ICD-10PCs coding book?

300

I am a group of numbers

What is a section?

300

There are now 2 types of me.

What is Excludes I and Excludes II?

400

To code correctly you must have knowledge of this. 

What is medical terminology?

400

My alphabetic section gives you codes for additional information, like where and how the patient was hurt. 

What is the Index to External Causes?

400

I may be the last place you look, but I am most important.

What is the tabular section?

400

There are 21 in total. 

What is a chapter. 

400

I hold a spot and without me, the code is wrong.

What is a placeholder?

500

This is what CM stands for. 

What is Clinical Modification?

500

You need to read me first to understand. 

What are guidelines? 

500

I am the rule of thumb. 

What is "never code directly from the alphabetic index!!"?

500

I am more than 3 but less than 5. 

What is a sub-category?

500

When you see one of us you should think of "due to". 

What is "with" or "in"?