B85.4 – Mixed pediculosis and phthiriasis

ICD-10-CM 2027 diagnosis code · Pediculosis, acariasis and other infestations

Billable code

ICD-10-CM code B85.4
Code
B85.4 (claims format: B854)
Description
Mixed pediculosis and phthiriasis
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
1. Certain infectious and parasitic diseases (A00-B99)
Block
B85-B89 Pediculosis, acariasis and other infestations
Parent codes
B85

Notes for B85.4

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

Index terms for B85.4

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in B85

Frequently asked questions

What is ICD-10 code B85.4?

B85.4 is the ICD-10-CM code for mixed pediculosis and phthiriasis, in the block B85-B89 (Pediculosis, acariasis and other infestations).

Is B85.4 a billable code?

Yes. B85.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does B85.4 belong to?

It belongs to category B85 – Pediculosis and phthiriasis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.