CPCA ICD-10-CM Coding for Skin 4

Question 1

What ICD-10-CM code category covers psoriasis?

Accepted Answer

L40

Answer

Category L40 covers psoriasis, including plaque psoriasis (L40.0), pustular psoriasis, and psoriatic arthritis.

Question 2

A patient is diagnosed with allergic contact dermatitis due to poison ivy. Which category applies?

Accepted Answer

L23

Answer

L23 covers allergic contact dermatitis, which includes reactions to plants such as poison ivy.

Question 3

Which ICD-10-CM code describes seborrheic dermatitis of the scalp?

Accepted Answer

L21.0

Answer

L21.0 specifically identifies seborrheic capitis, or seborrheic dermatitis of the scalp.

Question 4

A patient has a malignant melanoma of the skin of the left upper eyelid. What code category applies?

Accepted Answer

C43

Answer

Category C43 covers malignant melanoma of skin, with additional characters specifying site and laterality.

Question 5

What is the correct code for basal cell carcinoma of the skin of the right ear?

Accepted Answer

C44.211

Answer

C44.211 represents basal cell carcinoma of the skin of the right ear and external auricular canal.

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