Diseases of the skin and subcutaneous tissue (L00-L99)

Excludes 2:
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
lipomelanotic reticulosis (I89.8)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
systemic connective tissue disorders (M30-M36)
viral warts (B07.-)

Other disorders of the skin and subcutaneous tissue (L80-L99)

L80 Vitiligo
Excludes 2: vitiligo of eyelids (H02.73-)
vitiligo of vulva (N90.89)
L81 Other disorders of pigmentation [+]
Excludes 1: birthmark NOS (Q82.5)
Peutz-Jeghers syndrome (Q85.89)
Excludes 2: nevus - see Alphabetical Index
L82 Seborrheic keratosis [+]
Includes: basal cell papilloma
dermatosis papulosa nigra
Leser-Trélat disease
Excludes 2: seborrheic dermatitis (L21.-)
L83 Acanthosis nigricans
Confluent and reticulated papillomatosis
L84 Corns and callosities
Callus
Clavus
L85 Other epidermal thickening [+]
Excludes 2: hypertrophic disorders of the skin (L91.-)
L86 Keratoderma in diseases classified elsewhere
Code first underlying disease, such as:
Reiter's disease (M02.3-)
Excludes 1: gonococcal keratoderma (A54.89)
gonococcal keratosis (A54.89)
keratoderma due to vitamin A deficiency (E50.8)
keratosis due to vitamin A deficiency (E50.8)
xeroderma due to vitamin A deficiency (E50.8)
L87 Transepidermal elimination disorders [+]
Excludes 1: granuloma annulare (perforating) (L92.0)
L88 Pyoderma gangrenosum
Phagedenic pyoderma
Excludes 1: dermatitis gangrenosa (L08.0)
L89 Pressure ulcer [+]
Code first any associated gangrene (I96)
Includes: bed sore
decubitus ulcer
plaster ulcer
pressure area
pressure sore
Excludes 2: decubitus (trophic) ulcer of cervix (uteri) (N86)
diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)
non-pressure chronic ulcer of skin (L97.-)
skin infections (L00-L08)
varicose ulcer (I83.0, I83.2)
L90 Atrophic disorders of skin [+]
L91 Hypertrophic disorders of skin [+]
L92 Granulomatous disorders of skin and subcutaneous tissue [+]
Excludes 2: actinic granuloma (L57.5)
L93 Lupus erythematosus [+]
Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Excludes 1: lupus exedens (A18.4)
lupus vulgaris (A18.4)
scleroderma (M34.-)
systemic lupus erythematosus (M32.-)
L94 Other localized connective tissue disorders [+]
Excludes 1: systemic connective tissue disorders (M30-M36)
L95 Vasculitis limited to skin, not elsewhere classified [+]
Excludes 1: angioma serpiginosum (L81.7)
Henoch(-Schönlein) purpura (D69.0)
hypersensitivity angiitis (M31.0)
lupus panniculitis (L93.2)
panniculitis NOS (M79.3)
panniculitis of neck and back (M54.0-)
polyarteritis nodosa (M30.0)
relapsing panniculitis (M35.6)
rheumatoid vasculitis (M05.2)
serum sickness (T80.6-)
urticaria (L50.-)
Wegener's granulomatosis (M31.3-)
L97 Non-pressure chronic ulcer of lower limb, not elsewhere classified [+]
Code first any associated underlying condition, such as:
any associated gangrene (I96)
atherosclerosis of the lower extremities (I70.23-, I70.24-, I70.33-, I70.34-, I70.43-, I70.44-, I70.53-, I70.54-, I70.63-, I70.64-, I70.73-, I70.74-)
chronic venous hypertension (I87.31-, I87.33-)
diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)
postphlebitic syndrome (I87.01-, I87.03-)
postthrombotic syndrome (I87.01-, I87.03-)
varicose ulcer (I83.0-, I83.2-)
Includes: chronic ulcer of skin of lower limb NOS
non-healing ulcer of skin
non-infected sinus of skin
trophic ulcer NOS
tropical ulcer NOS
ulcer of skin of lower limb NOS
Excludes 2: pressure ulcer (pressure area) (L89.-)
skin infections (L00-L08)
specific infections classified to A00-B99
L98 Other disorders of skin and subcutaneous tissue, not elsewhere classified [+]
L99 Other disorders of skin and subcutaneous tissue in diseases classified elsewhere
Code first underlying disease, such as:
amyloidosis (E85.-)
Excludes 1: skin disorders in diabetes (E08-E13 with .62-)
skin disorders in gonorrhea (A54.89)
skin disorders in syphilis (A51.31, A52.79)

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