Question 1

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 2

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

L22

Question 3

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

Accepted Answer

Furuncle and carbuncle are different conditions and are reported using different medical codes.

Question 4

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

Accepted Answer

Dermatitis is an inflammation of the epidermis (outer layer of the skin) and/or the dermis (middle layer of the skin), not the subcutaneous layer (deepest layer of the skin).

Question 5

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 6

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. The stage should reflect the worst stage the ulcer has reached during the current episode of care.

Question 7

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.

Question 8

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

Code L89.153 describes a pressure ulcer of the sacral region with full thickness skin loss with damage of the subcutaneous tissue extending to the underlying fascia. The other codes do not specify these exact details.

Question 9

Hirsutism is loss of hair due to a chemical reaction.

Accepted Answer

Hirsutism is actually the excessive growth of hair, particularly in women, due to hormonal imbalances. It is not caused by loss of hair due to chemical reactions.

Question 10

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 11

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

Accepted Answer

Code L02.93 is used to report a cutaneous abscess of unspecified site, not just any cutaneous abscess.

Question 12

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 13

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

Accepted Answer

In the field of dermatology, eczema and dermatitis are often used interchangeably to refer to a group of skin conditions that cause inflammation and itching. The other options (fistula, lymphadenitis, and cellulitis) are unrelated to eczema/dermatitis and would not be used interchangeably.

Question 14

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 15

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

Accepted Answer

Keratosis is a benign skin growth and is not included in the L89 category, which is specific to pressure ulcer stages and site. Bed sores, plaster ulcer, and pressure area are all conditions that could be coded within the L89 category.

Question 16

Follicular lichen planus is reported with code _____.

Accepted Answer

Follicular lichen planus is specifically coded as L66.1 according to the ICD-10 classification.

Question 17

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

Accepted Answer

Stage II skin ulcerations involve damage to the epidermis and possibly the dermis, but do not involve necrosis of deeper structures such as muscle or bone.

Question 18

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 19

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 20

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...

Quiz 17: Diseases of the Skin and Subcutaneous Tissue