ICD-10: B35.6

Tinea cruris, commonly known as "jock itch," is a fungal infection that primarily affects the groin area, inner thighs, and buttocks. It is caused by dermatophytes, a group of fungi that thrive in warm, moist environments. The ICD-10 code for Tinea cruris is B35.6, which falls under the broader category of dermatophytosis.

Clinical Description

Etiology

Tinea cruris is typically caused by dermatophytes such as Trichophyton rubrum and Epidermophyton floccosum. These fungi can be transmitted through direct skin-to-skin contact or indirectly via contaminated surfaces, clothing, or towels. The condition is more prevalent in individuals who are overweight, have excessive sweating, or wear tight-fitting clothing, as these factors create an ideal environment for fungal growth[1][2].

Symptoms

The clinical presentation of Tinea cruris includes:

• Itching and Burning: Patients often report intense itching and a burning sensation in the affected area.
• Rash: The rash typically appears as a red, raised, and scaly patch that may have well-defined edges. It can spread to the inner thighs and buttocks.
• Lesion Characteristics: The lesions may have a central clearing, giving them a ring-like appearance, which is characteristic of many dermatophyte infections.
• Secondary Infections: Scratching the affected area can lead to secondary bacterial infections, which may complicate the clinical picture[3][4].

Diagnosis

Diagnosis of Tinea cruris is primarily clinical, based on the characteristic appearance of the rash and the patient's symptoms. In some cases, a KOH (potassium hydroxide) preparation of skin scrapings may be performed to identify fungal elements under a microscope. Fungal cultures can also be conducted for confirmation, especially in atypical cases[5].

Treatment

The treatment for Tinea cruris typically involves:

• Topical Antifungals: Over-the-counter antifungal creams or powders containing clotrimazole, miconazole, or terbinafine are commonly used.
• Oral Antifungals: In more severe or resistant cases, oral antifungal medications such as fluconazole or itraconazole may be prescribed.
• Hygiene Measures: Maintaining good hygiene, keeping the affected area dry, and wearing loose-fitting clothing can help prevent recurrence[6][7].

Conclusion

Tinea cruris (ICD-10 code B35.6) is a common dermatophyte infection that can cause significant discomfort. Understanding its clinical features, diagnosis, and treatment options is essential for effective management. Patients are encouraged to seek medical advice if symptoms persist or worsen, as early intervention can prevent complications and improve outcomes.

Tinea cruris, commonly known as "jock itch," is a fungal infection that primarily affects the groin area. It is classified under the ICD-10-CM code B35.6. Understanding its clinical presentation, signs, symptoms, and patient characteristics is essential for effective diagnosis and management.

Clinical Presentation

Tinea cruris typically presents as a well-defined, erythematous rash in the groin region. The infection often begins in the folds of the skin, such as the inguinal area, and can extend to the inner thighs and buttocks. The rash may have a scaly border and can be associated with secondary bacterial infections if left untreated.

Signs and Symptoms

1. Itching and Discomfort: The most prominent symptom is intense itching in the affected area, which can lead to scratching and further irritation of the skin[1].

2. Erythema: The skin appears red and inflamed, particularly at the edges of the rash. The central area may be less involved, giving it a characteristic ring-like appearance[1].

3. Scaling: The affected skin may exhibit scaling, which can be fine or coarse, and is often more pronounced at the edges of the rash[1].

4. Fissures and Cracking: In severe cases, the skin may crack or fissure, leading to pain and potential secondary infections[1].

5. Bilateral Involvement: Tinea cruris often affects both sides of the groin, although it can sometimes be unilateral[1].

6. Associated Symptoms: Patients may also experience discomfort when wearing tight clothing or during physical activities due to friction in the affected area[1].

Patient Characteristics

Tinea cruris can affect individuals of all ages, but certain characteristics and risk factors may predispose individuals to this condition:

1. Age and Gender: It is more common in adult males, particularly those aged 15 to 40 years, due to factors such as increased sweating and friction in the groin area[1].

2. Obesity: Individuals with obesity are at higher risk due to increased skin folds, which create a warm, moist environment conducive to fungal growth[1].

3. Athletic Activity: Athletes, especially those involved in sports that require tight clothing or involve sweating, are more susceptible to tinea cruris[1].

4. Immunocompromised Status: Patients with weakened immune systems, such as those with diabetes or HIV, may be more prone to fungal infections, including tinea cruris[1].

5. Hygiene Practices: Poor hygiene or infrequent changing of sweaty clothing can increase the risk of developing tinea cruris[1].

6. Environmental Factors: Living in warm, humid climates can also contribute to the prevalence of this condition, as fungi thrive in such environments[1].

Conclusion

Tinea cruris is a common dermatophyte infection characterized by itching, erythema, and scaling in the groin area. Recognizing the clinical signs and symptoms, along with understanding patient characteristics, is crucial for timely diagnosis and treatment. Effective management often includes antifungal medications and lifestyle modifications to reduce moisture and friction in the affected area. If symptoms persist or worsen, it is advisable for patients to seek medical attention for further evaluation and treatment options.

Tinea cruris, commonly known as "jock itch," is a fungal infection that primarily affects the groin area. The ICD-10-CM code for this condition is B35.6. Understanding alternative names and related terms can be beneficial for both medical professionals and patients. Here’s a detailed overview:

Alternative Names for Tinea Cruris

1. Jock Itch: This is the most common colloquial term used to describe tinea cruris, particularly among athletes and individuals who engage in activities that cause sweating in the groin area.

2. Groin Ringworm: This term emphasizes the fungal nature of the infection, as "ringworm" is a general term used for various dermatophyte infections, including tinea.

3. Tinea Inguinalis: This is a less commonly used medical term that refers specifically to the same condition, derived from Latin terminology.

4. Fungal Groin Infection: A more general term that describes the condition without using the specific names, making it easier for patients to understand.

Related Terms

1. Dermatophyte Infection: Tinea cruris is caused by dermatophytes, a group of fungi that require keratin for growth. This term encompasses various fungal infections of the skin.

2. Tinea: This is a broader category that includes several types of fungal infections, such as tinea pedis (athlete's foot), tinea capitis (scalp), and tinea corporis (body).

3. Fungal Infection: A general term that includes any infection caused by fungi, which can affect various parts of the body, including the skin, nails, and mucous membranes.

4. Superficial Fungal Infection: This term refers to infections that affect the outer layers of the skin, which includes tinea cruris.

5. Intertrigo: While not synonymous, intertrigo refers to inflammation of skin folds, which can occur in conjunction with tinea cruris due to moisture and friction.

Conclusion

Understanding the alternative names and related terms for tinea cruris (ICD-10 code B35.6) can enhance communication between healthcare providers and patients. It also aids in recognizing the condition and its implications for treatment and management. If you have further questions or need more specific information, feel free to ask!

Tinea cruris, commonly known as "jock itch," is a fungal infection that affects the groin area, inner thighs, and buttocks. The diagnosis of tinea cruris, classified under ICD-10 code B35.6, involves several clinical criteria and considerations. Here’s a detailed overview of the diagnostic criteria used for this condition.

Clinical Presentation

Symptoms

The primary symptoms of tinea cruris include:
- Itching: A prominent and often intense itching sensation in the affected area.
- Rash: A red, raised, and scaly rash that may have well-defined edges. The rash often appears in a ring-like pattern.
- Discomfort: Patients may experience discomfort, especially when sweating or wearing tight clothing.

Location

Tinea cruris typically occurs in warm, moist areas of the body, particularly:
- The groin
- Inner thighs
- Buttocks

Diagnostic Criteria

Medical History

• Patient History: A thorough medical history is essential, including any previous episodes of fungal infections, personal hygiene practices, and exposure to potential sources of infection (e.g., shared towels, locker rooms).
• Risk Factors: Identifying risk factors such as obesity, diabetes, or immunocompromised states can aid in diagnosis.

Physical Examination

• Visual Inspection: A healthcare provider will conduct a physical examination to observe the characteristic appearance of the rash. The presence of scaling, redness, and the pattern of the rash are critical for diagnosis.
• Distribution: The examination will also focus on the distribution of the rash, which typically does not extend to the scrotum or penis, differentiating it from other conditions.

Laboratory Tests

While tinea cruris is often diagnosed clinically, laboratory tests may be employed in certain cases:
- KOH Preparation: A potassium hydroxide (KOH) preparation of skin scrapings can be examined under a microscope to identify fungal elements.
- Culture: Fungal cultures may be performed to confirm the diagnosis, especially if the infection is recurrent or resistant to treatment.

Differential Diagnosis

It is crucial to differentiate tinea cruris from other conditions that may present similarly, such as:
- Candidiasis: A yeast infection that can also cause itching and rash in the groin area.
- Psoriasis: A chronic skin condition that may mimic the appearance of tinea cruris.
- Intertrigo: Inflammation of skin folds that can occur due to friction and moisture.

Conclusion

The diagnosis of tinea cruris (ICD-10 code B35.6) relies on a combination of clinical symptoms, physical examination findings, and, when necessary, laboratory tests. Recognizing the characteristic features of the rash and understanding the patient's history are essential for accurate diagnosis and effective treatment. If you suspect you have tinea cruris, consulting a healthcare professional for a proper evaluation is recommended.

Tinea cruris, commonly known as "jock itch," is a fungal infection that affects the groin area, inner thighs, and buttocks. It is classified under the ICD-10 code B35.6. The condition is caused by dermatophytes, a type of fungus that thrives in warm, moist environments. Understanding the standard treatment approaches for tinea cruris is essential for effective management and relief of symptoms.

Standard Treatment Approaches

1. Topical Antifungal Medications

The first line of treatment for tinea cruris typically involves the use of topical antifungal agents. These medications are applied directly to the affected area and are effective in eliminating the fungal infection. Commonly used topical antifungals include:

• Clotrimazole: An imidazole antifungal that disrupts the fungal cell membrane.
• Miconazole: Another imidazole that is effective against a variety of fungi.
• Terbinafine: An allylamine antifungal that inhibits fungal growth by blocking ergosterol synthesis.
• Ketoconazole: A broad-spectrum antifungal that can be used in cases resistant to other treatments.

These medications are usually applied twice daily for 2 to 4 weeks, depending on the severity of the infection and the specific product used[1].

2. Oral Antifungal Medications

In cases where topical treatments are ineffective or if the infection is extensive, oral antifungal medications may be prescribed. Common oral antifungals include:

• Terbinafine: Often used for more severe or resistant cases.
• Itraconazole: Another option for systemic treatment.
• Fluconazole: Sometimes used, particularly in recurrent cases.

Oral antifungals are typically prescribed for a duration of 1 to 2 weeks, depending on the clinical response and severity of the infection[1][2].

3. Adjunctive Measures

In addition to antifungal treatments, several adjunctive measures can help manage symptoms and prevent recurrence:

• Hygiene: Keeping the affected area clean and dry is crucial. Regular washing with soap and water, followed by thorough drying, can help reduce moisture.
• Loose-fitting Clothing: Wearing breathable, loose-fitting clothing can minimize friction and moisture accumulation, which are conducive to fungal growth.
• Antifungal Powders: Over-the-counter antifungal powders can be used to keep the area dry and prevent recurrence, especially in individuals prone to tinea cruris[2].
• Avoiding Irritants: It is advisable to avoid harsh soaps or products that may irritate the skin in the affected area.

4. Monitoring and Follow-Up

Patients should be monitored for improvement after initiating treatment. If symptoms do not improve within 2 weeks of starting topical therapy, or if the infection recurs frequently, further evaluation may be necessary. This could include a skin scraping to confirm the diagnosis or to rule out other conditions that may mimic tinea cruris, such as intertrigo or psoriasis[1][2].

Conclusion

Tinea cruris is a common fungal infection that can be effectively treated with a combination of topical and, in some cases, oral antifungal medications. Maintaining good hygiene, wearing appropriate clothing, and using adjunctive measures can significantly aid in the management and prevention of recurrence. If symptoms persist or worsen, it is important to seek further medical evaluation to ensure appropriate treatment and care.