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

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

Use additional code (B95-B97), if desired, to identify infectious agent.
Excludes: hordeolum ( H00.0 )
infective dermatitis ( L30.3 )
local infections of skin classified in Chapter I, such as:
· erysipelas ( A46 )
· erysipeloid ( A26.- )
· herpesviral [herpes simplex] infection ( B00.- )
  · anogenital ( A60.- )
· molluscum contagiosum ( B08.1 )
· mycoses ( B35-B49 )
· pediculosis, acariasis and other infestations ( B85-B89 )
· viral warts ( B07 )
panniculitis (of):
· NOS ( M79.3 )
· lupus ( L93.2 )
· neck and back ( M54.0 )
· relapsing [Weber-Christian] ( M35.6 )
perlèche (due to):
· NOS ( K13.0 )
· candidiasis ( B37.- )
· riboflavin deficiency ( E53.0 )
pyogenic granuloma ( L98.0 )
zoster ( B02.- )

L00 Staphylococcal scalded skin syndrome
Pemphigus neonatorum
Ritter's disease
Excludes: toxic epidermal necrolysis [Lyell] ( L51.2 )

L01 Impetigo
Excludes: impetigo herpetiformis ( L40.1 )
pemphigus neonatorum ( L00 )
L01.0 Impetigo [any organism] [any site]
Bockhart's impetigo
L01.1 Impetiginization of other dermatoses

L02 Cutaneous abscess, furuncle and carbuncle
Includes: boil
furunculosis
Excludes: anal and rectal regions ( K61.- )
genital organs (external):
· female ( N76.4 )
· male ( N48.2 , N49.- )
L02.0 Cutaneous abscess, furuncle and carbuncle of face
Excludes: ear, external ( H60.0 )
eyelid ( H00.0 )
head [any part, except face] ( L02.8 )
lacrimal:
· gland ( H04.0 )
· passages ( H04.3 )
mouth ( K12.2 )
nose ( J34.0 )
orbit ( H05.0 )
submandibular ( K12.2 )
L02.1 Cutaneous abscess, furuncle and carbuncle of neck
L02.2 Cutaneous abscess, furuncle and carbuncle of trunk
Abdominal wall
Back [any part, except buttock]
Chest wall
Groin
Perineum
Umbilicus
Excludes: breast ( N61 )
hip ( L02.4 )
omphalitis of newborn ( P38 )
L02.3 Cutaneous abscess, furuncle and carbuncle of buttock
Gluteal region
Excludes: pilonidal cyst with abscess ( L05.0 )
L02.4 Cutaneous abscess, furuncle and carbuncle of limb
Axilla
Hip
Shoulder
L02.8 Cutaneous abscess, furuncle and carbuncle of other sites
Head [any part, except face]
Scalp
L02.9 Cutaneous abscess, furuncle and carbuncle, unspecified
Furunculosis NOS

L03 Cellulitis
Includes: acute lymphangitis
Excludes: cellulitis of:
· anal and rectal regions ( K61.- )
· external auditory canal ( H60.1 )
· external genital organs:
  · female ( N76.4 )
  · male ( N48.2 , N49.- )
· eyelid ( H00.0 )
· lacrimal apparatus ( H04.3 )
· mouth ( K12.2 )
· nose ( J34.0 )
eosinophilic cellulitis [Wells] ( L98.3 )
febrile neutrophilic dermatosis [Sweet] ( L98.2 )
lymphangitis (chronic)(subacute) ( I89.1 )
L03.0 Cellulitis of finger and toe
Infection of nail
Onychia
Paronychia
Perionychia
L03.1 Cellulitis of other parts of limb
Axilla
Hip
Shoulder
L03.2 Cellulitis of face
L03.3 Cellulitis of trunk
Abdominal wall
Back [any part]
Chest wall
Groin
Perineum
Umbilicus
Excludes: omphalitis of newborn ( P38 )
L03.8 Cellulitis of other sites
Head [any part, except face]
Scalp
L03.9 Cellulitis, unspecified

L04 Acute lymphadenitis
Includes: abscess (acute)
lymphadenitis, acute
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any lymph node, except mesenteric
Excludes: enlarged lymph nodes ( R59.- )
human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy ( B23.1 )
lymphadenitis:
· NOS ( I88.9 )
· chronic or subacute, except mesenteric ( I88.1 )
· mesenteric, nonspecific ( I88.0 )
L04.0 Acute lymphadenitis of face, head and neck
L04.1 Acute lymphadenitis of trunk
L04.2 Acute lymphadenitis of upper limb
Axilla
Shoulder
L04.3 Acute lymphadenitis of lower limb
Hip
L04.8 Acute lymphadenitis of other sites
L04.9 Acute lymphadenitis, unspecified

L05 Pilonidal cyst
Includes: fistula
sinus
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coccygeal or pilonidal
L05.0 Pilonidal cyst with abscess
L05.9 Pilonidal cyst without abscess
Pilonidal cyst NOS

L08 Other local infections of skin and subcutaneous tissue
L08.0 Pyoderma
Dermatitis:
· purulent
· septic
· suppurative
Excludes: pyoderma gangrenosum ( L88 )
L08.1 Erythrasma
L08.8 Other specified local infections of skin and subcutaneous tissue
L08.9 Local infection of skin and subcutaneous tissue, unspecified