Question 1

Sally is seen in the office today because of a red, swollen area on her left side. After examination it is determined that she has a sebaceous cyst. This encounter should be reported with code(s) _____.

Accepted Answer

L72.3 is the correct ICD-10 code for a sebaceous cyst, which is a specific type of cyst characterized by the accumulation of sebum, a natural oil produced by sebaceous glands in the skin.

Question 2

Dermatitis is an inflammation of the subcutaneous layer of the skin.

Accepted Answer

Dermatitis is an inflammation of the outer layer of the skin, known as the epidermis.

Question 3

In the block of codes L20-L30, the term eczema and _____ are used interchangeably.

Accepted Answer

The term eczema is commonly used interchangeably with dermatitis.

Question 4

Category L60 reports hives, which is also known as urticaria.

Accepted Answer

Category L60 in ICD-10 is designated for nail disorders, not hives or urticaria. Urticaria is classified under category L50.

Question 5

ICD-10-CM classifies pressure ulcers based on severity designated by stages 1-6, unspecified stage, and unstageable.

Accepted Answer

ICD-10-CM classifies pressure ulcers based on severity designated by stages 1-4, unspecified stage, and unstageable; there is no stage 5 or 6 in the classification.

Question 6

Which of the following codes reports acute contact urticaria?

Accepted Answer

L50.6 is the specific ICD-10 code for acute contact urticaria, indicating a reaction that occurs upon contact with a specific substance.

Question 7

If a patient is admitted and documentation states that the patient has a pressure ulcer that is healing, the appropriate pressure ulcer stage code should be assigned based on the medical record documentation.

Accepted Answer

The appropriate pressure ulcer stage code should be assigned based on the medical record documentation, regardless of whether the ulcer is healing or not.

Question 8

Hirsutism is loss of hair due to a chemical reaction.

Accepted Answer

Hirsutism is actually excessive growth of hair, not loss of hair. It is often associated with hormonal imbalances or genetics.

Question 9

Which of the following conditions would not code within the L89 category?

Accepted Answer

Keratosis is a general term for thickened skin, and is not a specific type of wound or ulcer. The L89 category is specifically for pressure ulcers and other chronic skin ulcers. Therefore, conditions like bed sores, plaster ulcers, and pressure areas would all fall under the L89 category, but keratosis would not.

Question 10

Stage II skin ulcerations involve necrosis of the muscle, bone, and supporting structures.

Accepted Answer

Stage II skin ulcerations involve partial thickness loss of skin layers and may involve blisters or abrasions, but do not involve necrosis of deeper structures such as muscle and bone.

Question 11

Pilonidal fistula with abscess is reported with code _____.

Accepted Answer

L05.02 is the correct code for pilonidal cyst with abscess, which is the clinical description of a pilonidal fistula with abscess.

Question 12

Code L02.93 is used to report a cutaneous abscess.

Accepted Answer

The answer of Code L02.93 is used to report a...

Question 13

In coding the phrase "infantile papular acrodermatitis," the main term to reference is infantile.

Accepted Answer

The main term to reference is "acrodermatitis," as it specifies the type of skin condition being described.

Question 14

Furuncle of the chest wall and carbuncle of the chest wall are reported by the same code.

Accepted Answer

The answer of Furuncle of the chest wall and carbuncle...

Question 15

The dermis is the outermost layer of the skin.

Accepted Answer

The dermis is actually the second layer of the skin, located beneath the epidermis. The outermost layer of the skin is the epidermis.

Question 16

Podiatry note: "This patient presents today with a complaint of pain in the left foot. Examination reveals cellulitis of the left toe." This case should be reported with code(s) ____________________.

Accepted Answer

The answer of Podiatry note: "This patient presents today with...

Question 17

Follicular lichen planus is reported with code _____.

Accepted Answer

Follicular lichen planus is reported with code L66.1 according to ICD-10-CM guidelines.

Question 18

Office note: "Tim presents today due to pain when he walks. Upon examination of his right foot there is a 2 cm boil on the heel of his foot. He was referred to dermatology." This case should be reported with code(s) ____________________.

Accepted Answer

The answer of Office note: "Tim presents today due to...

Question 19

Office note: "DeDe Smith, 4 months old, was brought to the office today by her mother. The mother states that the child has been very 'fussy' for the last four days and she does not know why. Examination: HEENT: clear and no findings. Lungs: clear. Abdomen: soft and tender. Skin: skin in the groin area is red and inflamed. I gave the mother some ointment to apply to the skin for the next 10 days to clear the psoriasiform diaper rash." This encounter should be reported with code(s) ____________________.

Accepted Answer

The answer of Office note: "DeDe Smith, 4 months old,...

Question 20

Mr. Smith was admitted to Sunny Valley Rest Home with a pressure ulcer of the sacral region with full thickness skin loss with damage of the subcutaneous tissue extending to the underlying fascia. This would be reported with code(s) _____.

Accepted Answer

According to the ICD-10 guideline, when a pressure ulcer is described as "full thickness skin loss with damage of subcutaneous tissue extending to underlying fascia," it should be coded as L89.153. Choice A and C are incorrect as they do not include the proper level of specificity. Choice D is incorrect as L89.159 refers to an unspecified pressure ulcer of unspecified site.

Quiz 17: Diseases of the Skin and Subcutaneous Tissue