CPCA ICD-10-CM Coding for Skin 5

Question 1

When coding a diabetic foot ulcer, what is the correct sequencing order?

Accepted Answer

Diabetes code first, then the ulcer site code

Answer

ICD-10-CM instructs coders to sequence the diabetic complication code (e.g., E11.621) first, followed by the ulcer site code (L97.-).

Question 2

What additional code must be reported with a non-pressure ulcer of the lower limb (L97) when gangrene is also present?

Accepted Answer

I96

Answer

I96 (gangrene, not elsewhere classified) must be reported additionally when gangrene accompanies a non-pressure lower limb ulcer.

Question 3

A patient has a sequela (scar) from a previously healed burn of the left forearm. Which 7th character is used?

Accepted Answer

S

Answer

The 7th character 'S' denotes sequela, used when coding late effects or complications of a healed burn.

Question 4

Which ICD-10-CM code is used for pilonidal cyst without abscess?

Accepted Answer

L05.91

Answer

L05.91 is the code for pilonidal cyst without abscess; L05.01 would indicate a pilonidal cyst with abscess.

Question 5

When a burn involves multiple sites of different degrees, how should coding be approached?

Accepted Answer

Code each site separately, reflecting the highest degree at each site

Answer

Each burn site is coded separately using the code that reflects the highest degree of burn at that specific site.

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