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B35.3
ICD-10-CM
Athlete's Foot

Learn about Athlete's Foot (Tinea Pedis) diagnosis, including clinical documentation, medical coding, and healthcare best practices. This resource covers Dermatophytosis of the Foot and fungal infection of the foot treatment, supporting accurate medical records and efficient coding for healthcare professionals. Find information on symptoms, diagnosis codes, and treatment options for Tinea Pedis and Athlete's Foot.

Also known as

Tinea Pedis
Dermatophytosis of the Foot
Fungal Infection of the Foot
+1 more

Diagnosis Snapshot

Key Facts
  • Definition : A common fungal skin infection of the feet.
  • Clinical Signs : Itching, scaling, redness, blisters, and cracking of the skin between the toes or on the soles of the feet.
  • Common Settings : Communal showers, locker rooms, swimming pools, and warm, humid environments.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC B35.3 Coding
B35.3

Tinea pedis

Athlete's foot, a fungal infection of the foot.

B35.0-B35.9

Other superficial mycoses

Fungal infections of skin like ringworm, not nails or hair.

B36.0-B36.9

Dermatophytosis

Ringworm infections of the nails and hair.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the diagnosis Athlete's Foot confirmed?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Fungal infection of the foot
Fungal nail infection
Ringworm (body)

Documentation Best Practices

Documentation Checklist
  • Confirm and document location, morphology (e.g., interdigital, vesicular), and extent of lesions.
  • Document pruritus, burning, pain, or other associated symptoms.
  • KOH prep results if performed (positive/negative for hyphae).
  • Document any secondary bacterial infection if present.
  • Past treatments and response. Rule out differential diagnoses (e.g., contact dermatitis, eczema).

Coding and Audit Risks

Common Risks
  • Laterality Coding

    Missing or unspecified laterality (right, left, bilateral) can lead to claim rejections or inaccurate reporting for athlete's foot.

  • Unspecified Type

    Coding athlete's foot without specifying the type (interdigital, vesiculobullous, etc.) affects data accuracy and reimbursement.

  • Rule-out Athlete's Foot

    Coding suspected athlete's foot as confirmed without definitive diagnosis may lead to compliance issues and inaccurate data.

Mitigation Tips

Best Practices
  • Keep feet clean, dry. Use antifungal powder.
  • Wear breathable shoes, socks. Change often.
  • Avoid walking barefoot in public areas.
  • Treat promptly. Don't share towels, shoes.
  • See doctor if severe, not improving.

Clinical Decision Support

Checklist
  • Confirm visual inspection: interdigital scaling, maceration, blisters
  • KOH test: visualize hyphae/spores (ICD-10 B35.3, SNOMED CT 700275008)
  • Rule out differential diagnoses: contact dermatitis, psoriasis, eczema
  • Document location, severity, symptoms for accurate coding/billing

Reimbursement and Quality Metrics

Impact Summary
  • **Reimbursement:** ICD-10 B35.3 impacts reimbursement for antifungal medications and office visits. Accurate coding ensures appropriate payment. Optimize medical billing for tinea pedis.
  • **Quality Metrics:** Athlete's foot diagnosis affects quality reporting on infection control and patient outcomes. Proper coding improves hospital reporting accuracy.
  • **Coding Accuracy:** Precise coding with ICD-10 B35.3 (and avoiding unspecified codes) maximizes reimbursement and data integrity for athletes foot.
  • **Hospital Reporting:** Accurate dermatophytosis diagnosis coding improves epidemiological data and public health surveillance reporting.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: How can I differentiate between athlete's foot (tinea pedis) and other common foot dermatoses like eczema or psoriasis in my clinical practice?

A: Differentiating athlete's foot (tinea pedis) from other foot dermatoses like eczema or psoriasis requires careful clinical assessment. While all three can present with itching, scaling, and redness, tinea pedis typically presents with interdigital maceration, fissuring, and a well-demarcated border, often with a 'moccasin' or 'two-feet-one-hand' distribution. Eczema, in contrast, often has a less distinct border and may involve the dorsum of the foot. Psoriasis usually presents with thicker, silvery scales and may be accompanied by nail pitting. Potassium hydroxide (KOH) microscopy can confirm the diagnosis of tinea pedis by visualizing hyphae. Consider implementing a standardized dermatological examination protocol to ensure accurate diagnosis. Explore how different diagnostic tools can be integrated into your practice for improved patient care.

Q: What are the most effective treatment strategies for recurrent athlete's foot (dermatophytosis of the foot), including topical and oral antifungal medications, and how can I prevent recurrence in my patients?

A: Recurrent athlete's foot (dermatophytosis of the foot) can be challenging to manage. Effective treatment strategies involve both topical and oral antifungal medications. Topical antifungals like terbinafine, clotrimazole, and miconazole are often the first line of treatment for mild to moderate cases. For severe or recurrent infections, oral antifungals like terbinafine, itraconazole, or fluconazole may be necessary. Duration of therapy is crucial, and patients should continue treatment for 1-2 weeks after symptoms resolve to prevent recurrence. Prevention strategies include keeping feet dry, wearing breathable footwear, changing socks frequently, and avoiding sharing towels and shoes. Learn more about the latest evidence-based guidelines for managing recurrent tinea pedis to optimize patient outcomes and minimize recurrence rates.

Quick Tips

Practical Coding Tips
  • Code B35.3 for Athlete's Foot
  • ICD-10 B35.3 or L03.1 if ulcerated
  • Document symptoms and location
  • Check for laterality: right, left, bilateral
  • Consider comorbidities like diabetes

Documentation Templates

Patient presents with complaints consistent with athlete's foot, also known as tinea pedis, a dermatophytosis of the foot.  Symptoms include interdigital itching, scaling, fissuring, and maceration, primarily affecting the web spaces between the toes.  Erythema and inflammation may be present.  The patient reports experiencing discomfort and burning sensation in the affected area.  Differential diagnoses considered include contact dermatitis, eczema, and psoriasis.  Diagnosis of tinea pedis is confirmed based on clinical presentation and potassium hydroxide (KOH) examination revealing hyphae and spores.  Severity is assessed as mild to moderate.  Treatment plan includes topical antifungal medication, specifically clotrimazole cream 1, applied twice daily to the affected areas for two to four weeks.  Patient education provided regarding proper foot hygiene, including keeping feet clean and dry, wearing breathable socks, and avoiding sharing towels.  Follow-up appointment scheduled in two weeks to monitor treatment response and assess for resolution of symptoms.  ICD-10 code B35.3 assigned for tinea pedis.  CPT code 99213 assigned for established patient office visit, level 3.