B85
Non-billablePediculosis and phthiriasis
Pediculosis and phthiriasis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
Child Codes (5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(3)
Frequently Asked Questions
What is the ICD-10 code for pediculosis and phthiriasis?
The ICD-10-CM code for pediculosis and phthiriasis is B85. The full clinical description is "Pediculosis and phthiriasis". B85 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code B85 mean?
ICD-10-CM code B85 represents “Pediculosis and phthiriasis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a non-billable header code. Use a more specific child code for billing purposes.
Is B85 a billable code?
No, B85 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under B85.
What chapter is B85 in?
B85 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B85?
B85 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
What are the subcategories under B85?
B85 has 5 child codes, including: B85.0 (Pediculosis due to Pediculus humanus capitis), B85.1 (Pediculosis due to Pediculus humanus corporis), B85.2 (Pediculosis, unspecified), B85.3 (Phthiriasis), and 1 more.
Are additional codes required with B85?
Yes, when using B85, also report: resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for B85?
B85 is linked to 1 UMLS Concept Unique Identifier: C0153317. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does B85 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like pediculosis and phthiriasis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of B85?
B85 maps to the ICD-11 code: 1G0Z (Infestation by unknown or unspecified ectoparasite).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.