B85.3
BillablePhthiriasis
Phthiriasis
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Infestation by crab-louse
- Infestation by Phthirus pubis
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
Related Codes(4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(67)
SNOMED CT
- Infestation by Phthirus19690006
- Infestation caused by Phthirus19690006
- Phthiriasis19690006
- Phthiriosis19690006
- Crabs71011005
- Crabs infestation71011005
- Infestation by Phthirus pubis71011005
- Infestation by crab lice71011005
- Infestation caused by Phthirus pubis71011005
- Infestation caused by crab lice71011005
- Pediculosis pubis71011005
- Phthiriasis pubis71011005
- Pubic lice71011005
- Pubic louse infestation71011005
- Dermatosis caused by lice402148005
- Phthiriasis of eyelashes403143009
- Disseminated phthiriasis403144003
UMLS
- CrabsC0030759
- Crabs infestationC0030759
- Infestation by Phthirus pubisC0030759
- Infestation by crab liceC0030759
- Infestation by crab-louseC0030759
- Infestation caused by Phthirus pubisC0030759
- Infestation caused by Phthirus pubis (disorder)C0030759
- Infestation caused by crab liceC0030759
- Pediculosis PubisC0030759
- Pediculosis pubisC0030759
- Phthiriasis pubisC0030759
- Pubic LiceC0030759
- Pubic liceC0030759
- Pubic louse infestationC0030759
- Pubis pediculosisC0030759
- crab infestationC0030759
- crab lice infestationC0030759
- pediculosis pubisC0030759
- phthirus pubisC0030759
- pubic liceC0030759
- pubic louseC0030759
- Infestation by PhthirusC0277352
- Infestation caused by PhthirusC0277352
- Infestation caused by Phthirus (disorder)C0277352
- PhthiriasisC0277352
- PhthiriosisC0277352
Clinical Terms
- Phthiriosis
- Crabs
- Infestation by Phthirus
- Pubis pediculosis
- Pediculosis Pubis
- Phthiriasis pubis
- Pubic lice
- Disseminated phthiriasis
- Infestation by crab-louse
- Phthiriasis of eyelashes
- Pubic louse infestation
- Infestation caused by Phthirus pubis (disorder)
- Infestation by Phthirus pubis
- Infestation by crab lice
- Infestation caused by Phthirus
- crab infestation
- Dermatosis caused by lice
- phthirus pubis
- Infestation caused by Phthirus pubis
- Crabs infestation
- Infestation caused by crab lice
- crab lice infestation
- Infestation caused by Phthirus (disorder)
- pubic louse
Frequently Asked Questions
What is the ICD-10 code for phthiriasis?
The ICD-10-CM code for phthiriasis is B85.3. The full clinical description is "Phthiriasis". B85.3 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code B85.3 mean?
ICD-10-CM code B85.3 represents “Phthiriasis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is B85.3 a billable code?
Yes, B85.3 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is B85.3 in?
B85.3 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B85.3?
B85.3 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
Are additional codes required with B85.3?
Yes, when using B85.3, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does B85.3 map to?
B85.3 maps to 5 SNOMED CT concepts: 71011005, 402148005, 403144003, 19690006, 403143009. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for B85.3?
B85.3 is linked to 2 UMLS Concept Unique Identifiers: C0030759, C0277352. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does B85.3 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like 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 B85.3?
B85.3 maps to the ICD-11 code: 1G03 (Pthiriasis).
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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.