Wiki Correct sequencing for E11.622 and L97.319?

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Code: E11.622
Type 2 diabetes mellitus with other skin ulcer
Use additional code to identify site of ulcer (L97.1-L97.9, L98.41-L98.49)
Parent Code Notes: E11
Excludes1: diabetes mellitus due to underlying condition (E08.-)
drug or chemical induced diabetes mellitus (E09.-)
gestational diabetes (O24.4-)
neonatal diabetes mellitus (P70.2)
postpancreatectomy diabetes mellitus (E13.-)
postprocedural diabetes mellitus (E13.-)
secondary diabetes mellitus NEC (E13.-)
type 1 diabetes mellitus (E10.-)
Includes: diabetes (mellitus) due to insulin secretory defect
diabetes NOS
insulin resistant diabetes (mellitus)
Use additional code to identify control using:
insulin (Z79.4)
oral antidiabetic drugs (Z79.84)
oral hypoglycemic drugs (Z79.84)

Category Notes
Diabetes mellitus (E08-E13)

Coding Guidelines
Endocrine, nutritional and metabolic diseases (E00-E89)
Note: All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Excludes 1: transitory endocrine and metabolic disorders specific to newborn (P70-P74)


Best answers
I'm somewhat confused with this, I'm working towards getting certified and I think I've found some contradictions. I could definitely use some help figuring this one out.

E11.622 states to use additional code (L97)
L97.319 states code first underlying condition (E11.622)

AAPC states use causation dx first. So, I thought I should code E11.622 first and then L97.319. Which is the correct one?

E11.622/L97.319 or L97.319/E11622

Thank you.


True Blue
Columbia, MO
Best answers
The causal/underlying condition is the diabetes so the instruction in the code book and the AAPC say the same thing, code the diabetes first.


Best answers
Thank you :) The reason I asked is because I did one of the course Quiz and they marked my answer as incorrect.

Some say is because the reason for the visit was the ulcer and that should be coded first. But, I coded it just like what you are saying, diabetes first.

That's what got me a little confused.