Diseases of the Skin and Subcutaneous Tissues

Codes Discussed: L00-L99 (Diseases of the skin and subcutaneous tissue), L04 (Acute lymphadenitis category), R59 (Enlarged lymph nodes category), L00-L08 (Infections of the skin and subcutaneous tissue), L02 (Cutaneous abscess, furuncle, and carbuncle category), B95-B96 (Bacterial infectious agents as the cause of diseases classified elsewhere), L03 (Cellulitis and acute lymphangitis category), L03.011 (Cellulitis of right finger), L03.021 (Acute lymphangitis of right finger), L04.2 (Acute lymphadenitis of upper limb), L20-L30 (Dermatitis and eczema code block), L20 (Atopic dermatitis category), L23.81 (Allergic contact dermatitis due to animal dander), L23.7 (Allergic contact dermatitis due to plants, except food), L25.89 (Unspecified contact dermatitis due to other agents), L27 (Dermatitis due to substances taken internally category), L30 (Other and unspecified dermatitis category), L40-L45 (Papulosquamous disorders code block), L40 (Psoriasis category), L43 (Lichen planus category), L49-L54 (Urticaria and erythema code block), L50 (Urticaria category), L50.2 (Urticaria due to cold and heat), L55-L59 (Radiation-related disorders of the skin and subcutaneous tissue code block), L55 (Sunburn category), L55.0 (Sunburn of first degree), L55.1 (Sunburn of second degree), L55.9 (Sunburn, unspecified), L60-L75 (Disorders of skin appendages code block), L68 (Hypertrichosis category), L76 (Intraoperative and postprocedural complications of skin and subcutaneous tissue category), L76.31 (Postprocedural hematoma of skin and subcutaneous tissue following a dermatologic procedure), L80-L99 (Other disorders of the skin and subcutaneous tissue code block), L89 (Pressure ulcer category), L89.614 (Pressure ulcer of right heel, stage 4), L89.213 (Pressure ulcer of right hip, stage 3), L89.152 (Pressure ulcer of sacral region, stage 2), L89.123 (Incorrect pressure ulcer site code), L97 (Non-pressure chronic ulcer category), L98.4 (Non-pressure chronic ulcer of skin, not elsewhere classified category), L70.9 (Acne, unspecified), L70.4 (Infantile acne), L70 (Acne category/incomplete code), L73.9 (Follicular disorder, unspecified), L73 (Other follicular disorders category/incomplete code), L02.214 (Cutaneous abscess of groin), B95.62 (Methicillin resistant Staphylococcus aureus infection as the cause of diseases classified elsewhere), A49.02 (Methicillin resistant Staphylococcus aureus infection, unspecified site), L02.413 (Cutaneous abscess of right upper limb), L02.31 (Cutaneous abscess of buttock), L02.416 (Cutaneous abscess of left lower limb), L02.33 (Carbuncle of buttock), L02.32 (Furuncle of buttock), F40.218 (Other animal type phobia), L02.236 (Carbuncle of umbilicus), I96 (Gangrene, not elsewhere classified)

Topics Covered: ICD-10-CM skin coding, ICD-10-CM Chapter 12 coding, diseases of the skin and subcutaneous tissue, integumentary system coding, skin anatomy, epidermis, dermis, hypodermis, subcutaneous tissue, skin layers, hair follicle, sebaceous gland, sweat gland, nail disorders, hair disorders, folliculitis coding, epidermal cyst coding, sebaceous cyst coding, skin protection function, melanin, UV radiation protection, temperature regulation, vasoconstriction, dehydration prevention, burn wound moisture loss, Chapter 12 code blocks, Excludes1 notes, Excludes2 notes, acute lymphadenitis coding, enlarged lymph nodes coding, laterality and specificity coding, cellulitis laterality coding, pressure ulcer site coding, pressure injury stage coding, irritant dermatitis cause coding, unspecified skin condition coding, causative organism coding, infectious agent additional code, skin infection coding, cutaneous abscess coding, furuncle coding, carbuncle coding, incision and drainage, MRSA abscess coding, Staphylococcus aureus cellulitis coding, cellulitis coding, acute lymphangitis coding, acute lymphadenitis coding, lymph vessel infection, lymph node infection, dermatitis coding, eczema coding, allergic contact dermatitis coding, irritant contact dermatitis coding, unspecified contact dermatitis coding, contact dermatitis due to metals, contact dermatitis due to adhesives, contact dermatitis due to cosmetics, contact dermatitis due to drugs, adverse effect drug coding, dermatitis due to ingested drugs, papulosquamous disorder coding, psoriasis coding, autoimmune skin disease, inflammatory arthritis with psoriasis, lichen planus coding, urticaria coding, erythema coding, exfoliation body surface coding, heat urticaria coding, sunburn coding, radiation-related skin disorder coding, nonionizing radiation exposure, actinic keratosis coding, radiodermatitis coding, external cause W code for radiation source, skin appendage disorder coding, alopecia coding, hair loss coding, premature graying, hypertrichosis coding, acne coding, rosacea coding, eccrine sweat gland disorder coding, apocrine sweat gland disorder coding, excessive sweating coding, intraoperative skin complication coding, postprocedural skin complication coding, dermatologic procedure complication coding, postprocedural hematoma coding, skin lesion coding, pressure injury coding, pressure ulcer coding, decubitus ulcer coding, pressure ulcer staging, stage 1 pressure injury, stage 2 pressure injury, stage 3 pressure injury, stage 4 pressure injury, unstageable pressure injury, deep tissue pressure injury, pressure ulcer present on admission, POA pressure ulcer coding, pressure ulcer progression coding, clinician documentation for ulcer stage, physician documentation for pressure injury, gangrenous pressure ulcer coding, code first gangrene, non-pressure ulcer coding, diabetic ulcer coding, vascular ulcer coding, non-pressure ulcer depth coding, skin breakdown coding, fat layer exposed coding, muscle involvement ulcer coding, fascia involvement ulcer coding, Code Purple practice, Code Red assessment, skin and subcutaneous tissue coding scenarios