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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.-)

Infections of the skin and subcutaneous tissue (L00-L08)

Use additional: code (B95-B97) to identify infectious agent.
Excludes 2:: hordeolum (H00.0)
infective dermatitis (L30.3)
local infections of skin classified in Chapter 1
lupus panniculitis (L93.2)
panniculitis NOS (M79.3)
panniculitis of neck and back (M54.0-)
Perlèche NOS (K13.0)
Perlèche due to candidiasis (B37.0)
Perlèche due to riboflavin deficiency (E53.0)
pyogenic granuloma (L98.0)
relapsing panniculitis [Weber-Christian] (M35.6)
viral warts (B07.-)
zoster (B02.-)

L00

Staphylococcal scalded skin syndrome
Ritter's disease

Use additional	code to identify percentage of skin exfoliation (L49.-)
Excludes 1:	bullous impetigo (L01.03) pemphigus neonatorum (L01.03) toxic epidermal necrolysis [Lyell] (L51.2)

L01

Impetigo [+]

Excludes 1:

impetigo herpetiformis (L40.1)

L02

Cutaneous abscess, furuncle and carbuncle [+]

Use additional	code to identify organism (B95-B96)
Excludes 2:	abscess of anus and rectal regions (K61.-) abscess of female genital organs (external) (N76.4) abscess of male genital organs (external) (N48.2, N49.-)

L02.0

Cutaneous abscess, furuncle and carbuncle of face [+]

Excludes 2:

abscess of ear, external (H60.0)
abscess of eyelid (H00.0)
abscess of head [any part, except face] (L02.8)
abscess of lacrimal gland (H04.0)
abscess of lacrimal passages (H04.3)
abscess of mouth (K12.2)
abscess of nose (J34.0)
abscess of orbit (H05.0)
submandibular abscess (K12.2)

L02.1

Cutaneous abscess, furuncle and carbuncle of neck [+]

L02.2

Cutaneous abscess, furuncle and carbuncle of trunk [+]

Excludes 1:	non-newborn omphalitis (L08.82) omphalitis of newborn (P38.-)
Excludes 2:	abscess of breast (N61.1) abscess of buttocks (L02.3) abscess of female external genital organs (N76.4) abscess of male external genital organs (N48.2, N49.-) abscess of hip (L02.4)

L02.21

Cutaneous abscess of trunk [+]

L02.22

Furuncle of trunk [+]
Boil of trunk
Folliculitis of trunk

L02.23

Carbuncle of trunk [+]

L02.3

Cutaneous abscess, furuncle and carbuncle of buttock [+]

Excludes 1:

pilonidal cyst with abscess (L05.01)

L02.4

Cutaneous abscess, furuncle and carbuncle of limb [+]

Excludes 2:

Cutaneous abscess, furuncle and carbuncle of groin (L02.214, L02.224, L02.234)
Cutaneous abscess, furuncle and carbuncle of hand (L02.5-)
Cutaneous abscess, furuncle and carbuncle of foot (L02.6-)

L02.41

Cutaneous abscess of limb [+]

L02.42

Furuncle of limb [+]
Boil of limb
Folliculitis of limb

L02.43

Carbuncle of limb [+]

L02.5

Cutaneous abscess, furuncle and carbuncle of hand [+]

L02.51

Cutaneous abscess of hand [+]

L02.52

Furuncle hand [+]
Boil of hand
Folliculitis of hand

L02.53

Carbuncle of hand [+]

L02.6

Cutaneous abscess, furuncle and carbuncle of foot [+]

L02.61

Cutaneous abscess of foot [+]

L02.62

Furuncle of foot [+]
Boil of foot
Folliculitis of foot

L02.63

Carbuncle of foot [+]

L02.8

Cutaneous abscess, furuncle and carbuncle of other sites [+]

L02.9

Cutaneous abscess, furuncle and carbuncle, unspecified [+]

L03

Cellulitis and acute lymphangitis [+]

Excludes 2:

cellulitis of anal and rectal region (K61.-)
cellulitis of external auditory canal (H60.1)
cellulitis of eyelid (H00.0)
cellulitis of female external genital organs (N76.4)
cellulitis of lacrimal apparatus (H04.3)
cellulitis of male external genital organs (N48.2, N49.-)
cellulitis of mouth (K12.2)
cellulitis of nose (J34.0)
eosinophilic cellulitis [Wells] (L98.3)
febrile neutrophilic dermatosis [Sweet] (L98.2)
lymphangitis (chronic) (subacute) (I89.1)

L03.0

Cellulitis and acute lymphangitis of finger and toe [+]
Infection of nail
Onychia
Paronychia
Perionychia

L03.01

Cellulitis of finger [+]
Felon
Whitlow

Excludes 1:

herpetic whitlow (B00.89)

L03.02

Acute lymphangitis of finger [+]
Hangnail with lymphangitis of finger

L03.03

Cellulitis of toe [+]

L03.04

Acute lymphangitis of toe [+]
Hangnail with lymphangitis of toe

L03.1

Cellulitis and acute lymphangitis of other parts of limb [+]

L03.11

Cellulitis of other parts of limb [+]

Excludes 2:

cellulitis of fingers (L03.01-)
cellulitis of toes (L03.03-)
groin (L03.314)

L03.12

Acute lymphangitis of other parts of limb [+]

Excludes 2:

acute lymphangitis of fingers (L03.2-)
acute lymphangitis of toes (L03.04-)
acute lymphangitis of groin (L03.324)

L03.2

Cellulitis and acute lymphangitis of face and neck [+]

L03.3

Cellulitis and acute lymphangitis of trunk [+]

L03.31

Cellulitis of trunk [+]

Excludes 2:

cellulitis of anal and rectal regions (K61.-)
cellulitis of breast NOS (N61.0)
cellulitis of female external genital organs (N76.4)
cellulitis of male external genital organs (N48.2, N49.-)
omphalitis of newborn (P38.-)
puerperal cellulitis of breast (O91.2)

L03.32

Acute lymphangitis of trunk [+]

L03.8

Cellulitis and acute lymphangitis of other sites [+]

L03.9

Cellulitis and acute lymphangitis, unspecified [+]

L04

Acute lymphadenitis [+]

Includes:	abscess (acute) of lymph nodes, except mesenteric acute lymphadenitis, except mesenteric
Excludes 1:	chronic or subacute lymphadenitis, except mesenteric (I88.1) enlarged lymph nodes (R59.-) human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20) lymphadenitis NOS (I88.9) nonspecific mesenteric lymphadenitis (I88.0)

L05

Pilonidal cyst and sinus [+]

L08

Other local infections of skin and subcutaneous tissue [+]