ICD-10-CM Billable Code

L91.0

Hypertrophic scar

Clinical Classification Guidelines

Inclusion Terms

  • Keloid
  • Keloid scar

Excludes Type 2

  • acne keloid (L73.0)
  • scar NOS (L90.5)

Medical Intelligence & Overview

A hypertrophic scar is a thick, raised scar that forms at the site of an injury or surgery. Unlike keloids, which grow beyond the original wound boundary, hypertrophic scars stay within the original injury area. They often develop as a part of the natural healing process and can be a temporary or persistent skin change. These scars are characterized by their redness, firmness, and raised appearance, which may cause cosmetic concerns or discomfort.

Causes & Symptoms

Clinical Causes: Injury or trauma to the skin such as cuts, burns, or surgical incisions Genetic predisposition toward abnormal scarring Prolonged inflammation during the healing process Areas of the body prone to tension or movement during healing, such as shoulders or joints Inadequate wound care or infection during healing

Key Symptoms: Raised, thickened, and firm scar tissue Red or pink coloration of the scar Itching or tenderness around the scar area Possible discomfort or pain, especially when pressure is applied Limited mobility if the scar forms near joints or areas of movement

Diagnostic & Treatment

Diagnosis Path: Diagnosis of a hypertrophic scar is typically clinical, based on a physical examination of the scar and patient history. The healthcare provider will assess the scar's appearance, location, and history of wound healing. Sometimes, additional tests such as skin biopsy may be performed to rule out other skin conditions or confirm the diagnosis, especially if the scar exhibits atypical features.

Treatment Protocols: Treatment options aim to reduce the scar's size, appearance, and symptoms. Common approaches include: - **Silicone gel sheets or silicone gels:** Applying silicone to the scar to soften and flatten it. - **Steroid injections:** Administered directly into the scar to decrease inflammation and size. - **Pressure therapy:** Using specialized pressure garments to help flatten the scar. - **Laser therapy:** To remove excess tissue and improve skin texture. - **Cryotherapy:** Freezing the scar tissue to reduce its size. - **Surgical removal:** In cases where scars are particularly troublesome or persistent, surgical excision may be considered, often followed by methods to prevent recurrence. - **Scar massage:** Gentle massage to improve flexibility and appearance, often recommended as part of therapy. It's important for individuals to consult healthcare professionals for personalized care plans suited to their specific condition or preferences.

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 L91.0 a billable ICD-10 code?
Yes, L91.0 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report L91.0?
Clinical documentation must specify the nature of Hypertrophic scar and any associated comorbidities for accurate reporting.

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Related Diagnosis Codes

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