Chapter 7 - Integumentary System Flashcards
Main ICD chapters for integumentary system
- Neoplasms, 12 diseases of skin and subcutaneous tissues, 19 injury, poisoning and other external causes
Common bacterial skin infections
Impetigo, cutaneous abscess, carbuncles, furuncles, cellulitis, lymphangitis, lymphadenitis, and folliculitis
Common fungal skin infections
Athletes foot, jock itch, ringworm, yeast infection
Impetigo
Bacteria entering the skin, typically through cuts or insect bites. Typical in children and infants
Cutaneous abscess
Localized collection of pus in the skin. Caused by staphylococcal infection.
Carbuncle and furuncles
Boils. Follicle based cutaneous abscess. Several furuncles make up a carbuncle. Swollen lump filled with pus that can be painful. Typically heals on its own within a couple weeks.
Cellulitis
Bacterial infection of the skin. Skin appears warm, swollen, and red. Coded from L03
Lymphangitis
Infection of the lymph vessels. Sign that infection is getting worse. Codes from L03
Lymphadenitis
Infection of the lymph nodes. Codes from L04
Pilonidal Cyst
Cyst, fistula, or sinus under the skin located at the bottom of the tailbone. Can contain hair, skin debris, and other abnormal tissue. If it becomes infected considered an abscess. Coded from L05.
Inflammatory conditions of the skin
Dermatitis, erythema, rosacea, and psoriasis.
Dermatitis
Inflammation of the skin. Seborrheic, atopic, and contact.
Seborrheic dermatitis
Scaly, itchy, red skin. Typically found on the scalp. Called dandruff in adults. Cradle cap in infants.
Atopic dermatitis
Eczema. Itchy rash that comes and goes. Can be chronic. Diaper rash is a form of atopic dermatitis.
Contact dermatitis
Inflammation caused by an external irritant. Can be chemical, food, or plant.
Contact dermatitis code selection
Depends on irritant causing the inflammation. When it is a drug or other irritant code for the external cause code as well due to the adverse effect.
Rash code
R21. Only used when indicated as rash with no other description or qualifications.
Psoriasis
Appears as patches of red skin covered in silvery scales. Often very itchy and painful. Coded by type. Category L40
Erythema
Redness of the skin due to capillary dilation. Multiple types. Rosacea, erythema multiforme, erythema nodosum.
Rosacea
Form of erythema. Typically in adults. Appears as red pustules on the face.
Erythema multiforme codes
Code associated manifestations, adverse effect of drug induced, and additional code from L49- to indicate % of skin exfoliation.
Urticaria
Hives. Appears as red, raised, itchy wheals that very in shape and size. Can be caused an allergy to food or medication, external factors like heat or friction, or idiopathic.
Keratosis
Overgrowth of the horny layer of the skin.
Actinic keratosis
Overgrowth caused by exposure to the sun. Scaly, crusty lesions of the skin. Precancerous. Include code for type of UV exposure. L57