ICD-10 Code B85.4 | Mixed pediculosis and phthiriasis Symptoms, Diagnosis, Billing

Mixed pediculosis and phthiriasis refers to the infestation of the scalp and body by multiple types of lice, including head lice (Pediculus humanus capitis) and body lice (Pediculus humanus corporis), as well as pubic lice (Pthirus pubis). This condition is clinically significant due to its potential for secondary infections and social stigma. Accurate coding with ICD-10 Code B85.4 facilitates proper diagnosis, documentation, medical billing, and public health reporting, ensuring effective management and treatment of affected individuals.

What is ICD-10 Code B85.4 for Mixed pediculosis and phthiriasis?

ICD-10 Code B85.4 represents Mixed pediculosis and phthiriasis, a condition characterized by the presence of multiple types of lice infestations. This code is used when a patient presents with symptoms indicative of lice, such as itching and visible lice or nits. It is essential for accurate clinical documentation and billing, particularly when distinguishing between different types of lice infestations.

ICD-10 Code B85.4 – Clinical Definition and Explanation of Mixed pediculosis and phthiriasis

Mixed pediculosis and phthiriasis is caused by the infestation of the scalp and body by various lice species. These ectoparasites can lead to significant discomfort, secondary infections, and social implications. Prompt medical attention is necessary to manage symptoms and prevent complications.

Key Clinical Features:

• Itching and irritation of the scalp, body, or pubic area.
• Visible lice or nits on hair or clothing.
• Secondary bacterial infections due to scratching.
• Social stigma and psychological impact on affected individuals.

ICD-10 Code B85.4 for Mixed pediculosis and phthiriasis – SOAP Notes & Clinical Use

ICD-10 Code B85.4 is utilized in SOAP notes to document the presence of mixed lice infestations. It plays a crucial role in capturing patient symptoms, assessment findings, and treatment plans, applicable in both acute and chronic care settings.

What Does ICD-10 Code B85.4 for Mixed pediculosis and phthiriasis Mean in SOAP Notes?

In SOAP notes, ICD-10 Code B85.4 connects subjective reports of itching and visible lice with objective findings during examination. This code ensures continuity of care, supports accurate billing, and meets EHR documentation standards.

Treatment Options for ICD-10 Code B85.4 – Mixed pediculosis and phthiriasis

Effective management of mixed pediculosis and phthiriasis is essential to alleviate symptoms and prevent complications. Treatment may include topical insecticides and supportive care.

Antibiotic Therapy:

• Permethrin 1% cream rinse applied to the scalp and hair for 10 minutes, repeated in 7-10 days if necessary.
• Malathion lotion applied to dry hair for 8-12 hours, repeated in 7-9 days if necessary.
• Ivermectin lotion applied to dry hair for 10 minutes, single application.

Supportive Care:

• Regular combing with a fine-toothed comb to remove lice and nits.
• Washing clothing and bedding in hot water to eliminate lice.
• Educating patients on avoiding close contact to prevent spread.

Infection Control:

• Implementing measures to prevent transmission in schools and communal settings.
• Advising patients to avoid sharing personal items such as hats and combs.
• Monitoring for secondary infections and treating as necessary.

How to Document Symptoms of Mixed pediculosis and phthiriasis (ICD-10 B85.4) in SOAP Notes

Subjective:

• Patient reports intense itching on the scalp and body.
• History of close contact with individuals diagnosed with lice.
• Noticed visible lice and nits in hair.
• Complaints of skin irritation and redness due to scratching.

Objective:

• Physical examination reveals live lice and nits on the scalp.
• Skin examination shows excoriations and possible secondary infections.
• Vital signs within normal limits.
• No signs of systemic infection noted.

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SOAP Note Guidelines for Diagnosing Mixed pediculosis and phthiriasis (ICD-10 Code B85.4)

Assessment:

• Diagnosis of Mixed pediculosis and phthiriasis, moderate severity.
• ICD-10 Code B85.4 confirmed.
• Contributing factors include recent exposure to infested individuals.
• Secondary bacterial infection suspected due to skin excoriation.

Plan:

• Initiate treatment with permethrin 1% cream rinse.
• Educate patient on proper application and follow-up care.
• Schedule follow-up in one week to assess treatment efficacy.
• Advise on preventive measures to avoid reinfestation.

Treatment & Plan Section for ICD-10 Code B85.4 – Mixed pediculosis and phthiriasis

• First-line treatment includes topical insecticides such as permethrin or malathion.
• Non-pharmacologic strategies include thorough cleaning of personal items and environment.
• Monitoring for treatment effectiveness and potential reinfestation.
• Follow-up appointments to ensure resolution of symptoms and prevent complications.

Using ICD-10 Code B85.4 for Mixed pediculosis and phthiriasis in Billing & SOAP Note Compliance

• Select appropriate ICD-10 code based on clinical findings and documentation.
• Ensure Subjective (S) and Objective (O) sections reflect the patient's symptoms and examination findings.
• Align treatment plans with clinical guidelines to support justified billing.
• Use CPT codes relevant to the treatment provided alongside ICD-10 Code B85.4.

Related ICD-10 Codes Often Used with Mixed pediculosis and phthiriasis

• B85.0 – Pediculosis capitis
• B85.1 – Pediculosis corporis
• B85.2 – Pediculosis pubis

ICD-10 Code B85.4 in Medical Billing and Insurance for Mixed pediculosis and phthiriasis

ICD-10 Code B85.4 is critical in medical billing, particularly in hospital, ER, or infectious disease care settings.

Billing Notes:

• Document all relevant patient history and examination findings to support the claim.
• Use this code in settings where lice infestations are diagnosed and treated.
• Ensure accurate coding to facilitate reimbursement and compliance with insurance requirements.

Common CPT Pairings: