ICD-10-CM B85: Pediculosis and phthiriasis

ICD-10-CM Diagnosis Code (2025)

Official Description for B85

Pediculosis and phthiriasis

Coding Notes & Guidelines for B85

Inclusion Terms

Head-louse infestation

Inclusion Terms

Body-louse infestation

Inclusion Terms
  • Infestation by crab-louse
  • Infestation by Phthirus pubis
Inclusion Terms

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

Child Codes (More Specific Codes for B85):

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

About ICD-10-CM Code B85 (Pediculosis and phthiriasis)

ICD-10-CM code B85 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM B85 became effective on October 1, 2024.

This page provides detailed information about B85 - Pediculosis and phthiriasis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Pediculosis and phthiriasis.