Billable / Specific Code
ICD-10-CM B85.4 is the diagnosis code for Mixed pediculosis and phthiriasis. This code falls under the section "Pediculosis, acariasis and other infestations" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where B85.4 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, B85.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
B85.4 is the ICD-10-CM diagnosis code for "Mixed pediculosis and phthiriasis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of B85.4 is B85 ("Pediculosis and phthiriasis"). B85.4 provides a more specific classification within this category.
B85.4 is located in Section B85-B89 — "Pediculosis, acariasis and other infestations" within Chapter 1 of the ICD-10-CM Tabular List.
Use B85.4 when the patients documented diagnosis matches "Mixed pediculosis and phthiriasis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Mixed pediculosis and phthiriasis is B85.4.
Yes, B85.4 can be used as a primary diagnosis code since it is billable and specific.
B85.4 is in Chapter 1 of the ICD-10-CM Tabular List.
Yes, B85.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.