ICD-10-CM Billable Code

L74.510

Primary focal hyperhidrosis, axilla

Clinical Classification Guidelines

Medical Intelligence & Overview

Primary focal hyperhidrosis of the axilla, commonly known as excessive sweating in the underarm area, is a condition characterized by localized and excessive perspiration. This condition can significantly impact daily activities and quality of life, often leading to social embarrassment and emotional distress. The ICD-10 code L74.510 categorizes this specific form of hyperhidrosis, indicating that the sweating is localized to the underarms without any underlying medical condition causing it.

Causes & Symptoms

Clinical Causes: Genetics: Often runs in families, suggesting a hereditary component. Overactive sweat glands in the axillary region. Possible abnormal signaling between the nervous system and sweat glands. No identifiable secondary medical conditions or external factors causing the sweating.

Key Symptoms: Excessive sweating localized to one or both underarms. Sweating that occurs even without physical activity or high temperatures. Perspiration that may be persistent and difficult to control. Potential skin irritation or odor due to prolonged moisture. Discreet or visible dampness on clothing and skin. Emotional distress or embarrassment caused by sweating episodes.

Diagnostic & Treatment

Diagnosis Path: Diagnosis of primary focal hyperhidrosis of the axilla is primarily clinical. Healthcare providers evaluate symptoms, their duration, and impact on daily life. They may perform a physical examination and ask about the pattern and triggers of sweating. In some cases, tests like the starch-iodine test can be used to confirm sweating areas. Importantly, healthcare providers will rule out secondary causes, such as hormonal imbalances or systemic illnesses, to ensure the diagnosis is appropriate for primary hyperhidrosis.

Treatment Protocols: Managing primary axillary hyperhidrosis involves several approaches, often tailored to individual needs:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is L74.510 a billable ICD-10 code?
Yes, L74.510 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report L74.510?
Clinical documentation must specify the nature of Primary focal hyperhidrosis, axilla and any associated comorbidities for accurate reporting.

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