L01.03 Bullous impetigo

Billable ICD-10-CM code, FY2026.

Applicable to

• Impetigo neonatorum
• Pemphigus neonatorum

Applies from L01 Impetigo

Excludes1 (never code together)

• impetigo herpetiformis (L40.1)

Applies from L01.0 Impetigo

Applicable to

• Impetigo contagiosa
• Impetigo vulgaris

MS-DRG index

Defines the logic of DRG(s) 602-603 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 684 Impetigo (approximate)

Code annotations containing back-references to L01.03

Back-references to L01.03

• Type 1 Excludes: L00 Staphylococcal scalded skin syndrome ("bullous impetigo (L01.03)")
• Type 1 Excludes: L00 Staphylococcal scalded skin syndrome ("pemphigus neonatorum (L01.03)")
• Type 1 Excludes: L10 Pemphigus ("pemphigus neonatorum (L01.03)")

Back-references to L01.0

• Code First: H62.4 Otitis externa in other diseases classified elsewhere ("impetigo (L01.0-)")

Back-references to L01

• Type 2 Excludes: L89 Pressure ulcer ("skin infections (L00-L08)")
• Type 2 Excludes: L97 Non-pressure chronic ulcer of lower limb, not elsewhere classified ("skin infections (L00-L08)")
• Type 2 Excludes: L98.4 Non-pressure chronic ulcer of skin, not elsewhere classified ("skin infections (L00-L08)")
• Type 2 Excludes: L98.A Non-pressure chronic ulcer of upper limb, not elsewhere classified ("skin infections (L00-L08)")

Diagnosis Index entries for L01.03

• Impetigo (any organism) (any site) (circinate) (contagiosa) (simplex) (vulgaris) › bullous, bullosa
• Impetigo (any organism) (any site) (circinate) (contagiosa) (simplex) (vulgaris) › neonatorum
• Pemphigus › neonatorum

Nearby codes

• L01 Impetigo
• L01.0 Impetigo
• L01.00 Impetigo, unspecified
• L01.01 Non-bullous impetigo
• L01.02 Bockhart's impetigo
• L01.03 Bullous impetigo (this code)
• L01.09 Other impetigo
• L01.1 Impetiginization of other dermatoses