B85Header code — not billable

Pediculosis and phthiriasis

Chapter
1. Certain infectious and parasitic diseases
Category
B85
Effective date
October 1, 2026

Related codes in category B85

B85.0Pediculosis due to Pediculus humanus capitisYesB85.1Pediculosis due to Pediculus humanus corporisYesB85.2Pediculosis, unspecifiedYesB85.3PhthiriasisYesB85.4Mixed pediculosis and phthiriasisYes

Frequently asked questions

What is ICD-10 code B85?

B85 is an ICD-10-CM diagnosis code for Pediculosis and phthiriasis.

Is B85 a billable code?

No. B85 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is B85 in?

B85 falls under Chapter 1: Certain infectious and parasitic diseases.

When did B85 become effective?

B85 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to B85?

B85 belongs to category B85, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.