ICD 10 Practical Applications 3

Question 1

A patient has hypertension and stage 3 chronic kidney disease (unspecified), with no heart disease documented. Which code set is correct?

Accepted Answer

I12.9 and N18.30

Answer

ICD-10-CM presumes a causal link between hypertension and CKD, so I12.9 is used with an N18 code for the stage.

Question 2

A patient with type 2 diabetes mellitus and diabetic chronic kidney disease stage 4 is seen. Which codes apply?

Accepted Answer

E11.22 and N18.4

Answer

E11.22 is type 2 diabetes with diabetic CKD, with an additional N18 code to identify the stage (N18.4).

Question 3

A type 2 diabetic patient takes insulin daily. Which additional code should be reported with the E11 code?

Accepted Answer

Z79.4

Answer

Z79.4 (long-term current use of insulin) is added for type 2 diabetes patients routinely treated with insulin.

Question 4

A patient is admitted with sepsis due to Escherichia coli, present on admission. Which code is sequenced first?

Accepted Answer

A41.51

Answer

A41.51 (sepsis due to E. coli) identifies both sepsis and organism and is sequenced first.

Question 5

A patient had an acute myocardial infarction 6 weeks ago and has no current symptoms or treatment for it. Which code is appropriate?

Accepted Answer

I25.2

Answer

I21 codes are used for up to 4 weeks (28 days); after that a healed or old MI is reported with I25.2.

ICD 10 Practice Test