B48.2 Allescheriasis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Infection due to Pseudallescheria boydii

Excludes1 (never code together)

• eumycetoma (B47.0)

MS-DRG index

Defines the logic of DRG(s) 791 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 117.6 Allescheriosis [Petriellidosis]

Code annotations containing back-references to B48.2

Back-references to B48

• Code First: M01 Direct infections of joint in infectious and parasitic diseases classified elsewhere ("mycoses (B35-B49)")

Diagnosis Index entries for B48.2

• Allescheriasis
• Infection, infected, infective (opportunistic) › Allescheria boydii
• Infection, infected, infective (opportunistic) › Monosporium apiospermum
• Infection, infected, infective (opportunistic) › Petriellidium boydii
• Infection, infected, infective (opportunistic) › Pseudoallescheria boydii
• Petrellidosis

Nearby codes

• B48 Other mycoses, not elsewhere classified
• B48.0 Lobomycosis
• B48.1 Rhinosporidiosis
• B48.2 Allescheriasis (this code)
• B48.3 Geotrichosis
• B48.4 Penicillosis
• B48.8 Other specified mycoses