B85.4 Mixed pediculosis and phthiriasis

Billable ICD-10-CM code, FY2026.

Applicable to

• Infestation classifiable to more than one of the categories B85.0-B85.3

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 132.3 Mixed pediculosis infestation

Code annotations containing back-references to B85.4

Back-references to B85

• Code First: H94.0 Acoustic neuritis in infectious and parasitic diseases classified elsewhere ("parasitic disease (B65-B89)")

Diagnosis Index entries for B85.4

• Infestation › Pediculus › mixed (classifiable to more than one of the titles B85.0-B85.3)
• Lice (infestation) › mixed (classifiable to more than one of the titles B85.0-B85.3)
• Pediculosis (infestation) › mixed (classifiable to more than one of the titles B85.0-B85.3)

Nearby codes

• B85 Pediculosis and phthiriasis
• B85.0 Pediculosis due to Pediculus humanus capitis
• B85.1 Pediculosis due to Pediculus humanus corporis
• B85.2 Pediculosis, unspecified
• B85.3 Phthiriasis
• B85.4 Mixed pediculosis and phthiriasis (this code)