Every mark on our skin tells a story. Some remind us of adventures, others of accidents, and a few — like skin tags — appear one day without explanation. They’re harmless, but they often raise curiosity and concern. In clinical terms, doctors don’t just see a tag of skin; they see a diagnosis — and a code that defines it. That code, in the medical world, is known as skin tag ICD-10.
The ICD-10 isn’t just a random combination of letters and numbers. It’s a universal language used by healthcare providers to classify diseases, describe conditions, and make documentation precise. For something as common as skin tags, that code ensures every case is properly identified, billed, and recorded. But before we dive into code, let’s understand what these tiny growths really are.
What Exactly Are Skin Tags?
Skin tags, medically known as acrochordons, are small, soft growths that hang loosely from the skin’s surface. They are usually the same color as your skin or slightly darker. You’ll often find them in areas where skin rubs against skin such as the neck, armpits, eyelids, under the breasts, or in the groin folds.
They start small, often like a grain of rice, and can grow to the size of a pea or even larger over time. Although completely benign, they can become irritating if caught on clothing or jewelry. Some people find them embarrassing, especially when they appear on visible areas like the face or neck.
Despite their harmless nature, many still want to know why they form, what they indicate, and how doctors classify them officially. That’s where ICD-10 coding steps in.
The Meaning Behind ICD-10
The ICD-10 stands for International Classification of Diseases, 10th Revision. It’s a global system created by the World Health Organization to standardize how diseases and health conditions are identified. Every diagnosis, from a common cold to complex cancer, has its own unique code.
This coding system helps in:
- Medical record keeping: Ensures accuracy in patient files.
- Insurance and billing: Makes claims processing easier and transparent.
- Public health data: Allows researchers to track how often conditions occur globally.
When your doctor removes or diagnoses a skin tag, they don’t just note “skin tag” they record its specific ICD-10 code. This keeps your medical history consistent across hospitals, clinics, and insurance systems.
The Official ICD-10 Code for Skin Tags
The ICD-10 code used for skin tags is L91.8 — “Other hypertrophic disorders of the skin.”
In some clinical settings, doctors also use L91.9, which refers to “Hypertrophic disorder of skin, unspecified.” These codes group skin tags under disorders involving abnormal overgrowth of skin tissue.
When a physician writes L91.8, it signals to insurance and medical databases that the diagnosis involves benign, excessive skin tissue growths such as acrochordons. It’s a simple yet powerful shorthand that connects diagnosis, documentation, and treatment seamlessly.
For example, if you visit a dermatologist for multiple tags on your neck, your visit summary might include:
Diagnosis: Acrochordons (Skin Tags)
ICD-10 Code: L91.8
That one line ensures your case is properly classified worldwide.
Why Skin Tags Form: The Science Behind Them
Skin tags are surprisingly common — affecting around 25% to 50% of adults at some point in their lives. But what actually causes them?
The truth is, there isn’t a single reason. Instead, several small triggers work together over time.
Friction is the most common factor. When skin constantly rubs against skin or clothing, it causes minor irritation that encourages extra skin growth. Hormonal changes, particularly during pregnancy, can also play a role.
People with insulin resistance or type 2 diabetes are more likely to develop them. The same goes for those who are overweight or have a family history of skin tags. Aging is another natural trigger — our skin loses elasticity and becomes more prone to small folds where tags can appear.
It’s important to note that skin tags are not contagious, not a sign of poor hygiene, and not cancerous. They are simply a cosmetic concern one that millions quietly deal with.
Emotional Impact: Small Growths, Big Self-Awareness
For many, skin tags are more than just a physical presence; they can affect how people feel about their appearance. A small tag on the eyelid or neckline can draw unwanted attention, especially in close social or professional settings.
Some people admit they’ve tried to remove them at home using string or scissors — methods that can cause bleeding or infection. The emotional need to look “normal” sometimes overrides caution.
That’s why dermatologists emphasize not just treatment but education. Understanding that skin tags are common, harmless, and easy to manage helps reduce the stigma around them.
When a person finally gets theirs professionally removed, they often describe a sense of relief — not just from discomfort but from restored confidence.
How Doctors Diagnose Skin Tags
Diagnosis is usually straightforward. Most dermatologists can identify a skin tag at a glance. Unlike warts, moles, or cysts, skin tags are soft, movable, and connected by a thin stalk.
In rare cases, if the appearance is unusual or concerning, a biopsy may be done to confirm the diagnosis. This helps rule out other skin conditions, such as seborrheic keratosis or neurofibromas.
Once confirmed, the doctor records the ICD-10 code (L91.8 or L91.9) and discusses treatment options if the patient wishes to remove them.
Common Treatment Options
Though skin tags are benign, many people choose removal for comfort or aesthetic reasons. Dermatologists offer several safe and quick methods:
Cryotherapy:
Freezing the skin tag with liquid nitrogen causes it to fall off naturally after a few days.
Electrocautery:
Using a controlled electric current, the dermatologist burns the tag off, sealing the area immediately to prevent bleeding.
Surgical Excision:
For larger tags, a small snip under local anesthesia removes them instantly.
Laser Removal:
A precise, non-invasive beam targets the skin tag without harming surrounding tissue.
These treatments are done in minutes and rarely leave scars. Afterward, a simple topical ointment helps the skin heal quickly.
The Role of ICD-10 in Billing and Insurance
When you undergo removal, the ICD-10 code ensures smooth processing with insurance companies. Without this code, your claim might be delayed or denied.
For instance, if your removal is medically necessary — such as when a tag bleeds, causes pain, or interferes with movement — the ICD-10 documentation justifies the treatment. If it’s purely cosmetic, some insurers may not cover the cost, but the code still ensures accurate record-keeping.
For clinics, accurate ICD-10 coding helps prevent billing errors and supports transparent communication with patients. For patients, it provides clarity — you know exactly what condition was treated and how it was recorded.
When Skin Tags Could Signal Something More
Although most skin tags are harmless, a sudden increase in number can sometimes point to underlying health conditions.
For example, people with insulin resistance or metabolic syndrome often notice more skin tags, particularly around the neck or underarms. The same pattern is observed in those with hormonal imbalances.
Doctors use these clues to investigate further — sometimes checking blood sugar levels or other health markers. While the tags themselves are not dangerous, they can serve as a gentle warning sign from your body.
That’s another reason proper coding and documentation under ICD-10 are vital. It helps link visible symptoms with potential systemic issues.
Caring for Your Skin After Removal
Post-removal care is simple but important. Keep the treated area clean and avoid harsh creams for a few days. Mild soap and water are enough. If there’s mild redness or swelling, applying an antibiotic ointment can help.
Avoid scratching or touching the area, especially with unwashed hands. Healing usually completes within a week or two, depending on the size and method of removal.
Once healed, the skin returns to normal, and the tag rarely grows back. However, new tags can appear elsewhere — especially in friction-prone zones. Regular skin checks and gentle skincare can minimize this.
Why You Shouldn’t Try DIY Removal
Online videos and home remedies often suggest tying a string around a tag or applying nail polish to “dry it out.” These methods may seem tempting, but they’re risky.
The skin contains tiny blood vessels, and even small tags have nerve endings. Improper removal can cause pain, bleeding, or infection. Moreover, not every skin bump is a tag. What appears harmless is a mole or growth requiring medical attention.
Seeing a certified dermatologist is always safer. They’ll confirm the diagnosis, use sterile instruments, and record the correct ICD-10 code for your medical history.
Real-Life Example: A Simple Visit, Big Relief
Consider Anna, a 35-year-old professional who developed multiple skin tags on her neck during pregnancy. She ignored them for years, assuming they were harmless. But they started snagging on her necklaces, leaving tiny cuts and embarrassment during meetings.
Finally, she booked a quick dermatology appointment. Within 20 minutes, the doctor removed five small tags using electrocautery. The relief was immediate. Her confidence returned, and so did her comfort.
Her medical record showed:
Diagnosis: Acrochordons
ICD-10 Code: L91.8
It wasn’t just a procedure; it was a small act of self-care that made a huge difference.
Preventing Skin Tags Naturally
While not all tags are preventable, certain habits can reduce their occurrence. Maintaining a healthy weight reduces friction between skin folds. Wearing breathable fabrics helps minimize irritation.
Managing blood sugar levels can also make a difference. Since insulin resistance is linked to tag formation, balanced nutrition and regular exercise contribute to healthier skin.
Moisturizing daily and avoiding tight collars or jewelry can further protect vulnerable areas.
The Global Importance of Coding Accuracy
ICD-10 coding might seem like a bureaucratic detail, but it plays a vital role in global healthcare. Each code entered into a database adds to worldwide statistics, helping medical researchers understand how common certain conditions are.
When millions of entries show “L91.8,” experts know that skin tags are a frequent, benign occurrence. This information guides public health awareness, medical education, and even the development of new dermatology treatments.
What begins as a small code on your report contributes to a much larger picture — one that connects patients across continents.
Conclusion
Skin tags are small, soft reminders of how our skin evolves with time and life. They don’t threaten health, but they can affect confidence. The skin tag ICD-10 code, L91.8, gives this tiny condition a clear identity in the world of medicine — ensuring it’s understood, treated, and documented correctly.
Behind that simple code lies a system that unites doctors, patients, and researchers around the world. It’s a symbol of precision, empathy, and progress in modern healthcare.
Whether you decide to keep your skin tags or have them removed, the most important thing is understanding them. They are harmless, manageable, and incredibly common. And like every small thing in life, when you know what it is, you worry a little less and live a little more.
Frequently Asked Questions
What is the ICD-10 code for skin tags?
The official ICD-10 code is L91.8, representing “Other hypertrophic disorders of the skin.”
Are skin tags dangerous?
No. They are benign and non-cancerous. However, if a tag changes color, bleeds, or grows rapidly, see a dermatologist.
Can skin tags be removed permanently?
Yes. Once removed, they rarely return in the same spot, though new ones may form elsewhere.
Is skin tag removal covered by insurance?
It depends. If removal is for medical reasons (pain, bleeding, irritation), insurance may cover it. For cosmetic reasons, it usually doesn’t.
Can I prevent skin tags from appearing?
You can reduce risk by keeping your skin dry, avoiding friction, maintaining a healthy weight, and managing blood sugar levels.
