All ICD10 Codes

B85

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Pediculosis and phthiriasis

Use a more specific code (5 billable)
B85.0Pediculosis due to Pediculus humanus capitisB85.1Pediculosis due to Pediculus humanus corporisB85.2Pediculosis, unspecifiedB85.3PhthiriasisB85.4Mixed pediculosis and phthiriasis
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
B85-B89Pediculosis, acariasis and other infestations (B85-B89)
B85Pediculosis and phthiriasisNot billable
B85.0Pediculosis due to Pediculus humanus capitisBillable
B85.1Pediculosis due to Pediculus humanus corporisBillable
B85.2Pediculosis, unspecifiedBillable
B85.3PhthiriasisBillable
B85.4Mixed pediculosis and phthiriasisBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B85:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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