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L91.0
ICD-10-CM
Keloid

Understand keloid diagnosis, treatment, and management with comprehensive information on healthcare, clinical documentation, and medical coding. Find details on keloid symptoms, ICD-10 codes (L91.0), differential diagnosis, histopathology, and treatment options including surgical excision, corticosteroid injections, and silicone gel sheeting. Learn about post-operative care, recurrence prevention, and best practices for accurate medical coding and documentation of keloids in clinical settings.

Also known as

Keloid scar
Hypertrophic scar

Diagnosis Snapshot

Key Facts
  • Definition : Raised, overgrown scar tissue extending beyond the original wound.
  • Clinical Signs : Firm, rubbery, pink or purple lesion. May be itchy or painful.
  • Common Settings : Earlobes, shoulders, chest, back. Occurs after skin injury.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC L91.0 Coding
L91.0

Keloid scar

Describes a raised, overgrown scar formation.

L90-L94

Other disorders of skin and subcutaneous tissue

Encompasses various skin conditions including other scar-related issues.

L00-L99

Diseases of the skin and subcutaneous tissue

Broad category covering all skin and subcutaneous tissue diseases.

Code-Specific Guidance

Decision Tree for

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

Is the keloid earlobe related?

  • Yes

    Is it bilateral?

  • No

    Is the anatomical site specified?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Raised, overgrown scar beyond wound boundary.
Thickened, raised scar within wound boundary.
Excessive scar formation after thermal injury.

Documentation Best Practices

Documentation Checklist
  • Keloid diagnosis: Location, size, morphology documented
  • Symptoms: Onset, duration, associated pain/itching
  • Prior treatments: Surgical excision, injections, pressure therapy
  • ICD-10-CM code L91.0: Keloid scar documented
  • Family history of keloids: Positive or negative noted

Coding and Audit Risks

Common Risks
  • Unspecified Location

    Coding Keloid without specifying the anatomical location leads to inaccurate reporting and claim denials. Use ICD-10-CM guidelines for site specificity.

  • Atypical Keloid Coding

    Miscoding hypertrophic scars or other skin lesions as Keloids causes data integrity issues and impacts quality reporting. CDI review is crucial.

  • Excision Code Mismatch

    Incorrectly coding excision of a Keloid with a non-specific code affects reimbursement. Ensure precise CPT coding for surgical procedures.

Mitigation Tips

Best Practices
  • Minimize tension on wound during healing (ICD-10: L91.0)
  • Appropriate wound closure techniques for accurate coding (CPT: 12001-13160)
  • Detailed scar description in clinical documentation (SNOMED CT: 271695005)
  • Corticosteroid injections early post-op, document precisely (HCPCS: J1020)
  • Silicone gel sheeting to prevent recurrence, comply with payer guidelines

Clinical Decision Support

Checklist
  • 1. Verify raised, firm, pink/purple scar beyond initial wound.
  • 2. Confirm progressive growth over months/years post-injury.
  • 3. Exclude hypertrophic scar (regresses, confined to wound).
  • 4. Document lesion size, location, symptoms (itching, pain).
  • 5. Consider family history, skin type in diagnosis (ICD-10: M91.1)

Reimbursement and Quality Metrics

Impact Summary
  • Keloid diagnosis reimbursement hinges on accurate ICD-10-CM coding (L91.x) and CPT coding for procedures like excision or intralesional injection.
  • Coding errors impact keloid treatment reimbursement, affecting revenue cycle management and clean claim rates.
  • Proper keloid documentation and coding improve quality reporting metrics for surgical outcomes and patient satisfaction.
  • Accurate coding and documentation are crucial for appropriate keloid treatment reimbursement by Medicare, Medicaid, and private payers.

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.

Quick Tips

Practical Coding Tips
  • Code L91.0 for keloid scar
  • Document keloid location precisely
  • Specify ear keloid as L91.1
  • Differentiate keloid from hypertrophic scar
  • Consider excision codes (e.g., 114xx)

Documentation Templates

Patient presents with a keloid scar, a raised, overgrown scar tissue formation, at the site of previous [specify type of injury or procedure, e.g., surgical incision, trauma, acne lesion, ear piercing, burn].  The keloid extends beyond the original wound boundary, exhibiting [describe color, e.g., pink, red, purple, brown] coloration and a firm, rubbery, or nodular texture.  Patient reports [describe symptoms: e.g., pruritus, pain, tenderness, burning sensation, cosmetic concerns].  The keloid measures [dimensions in length x width x height] cm.  No signs of infection or drainage are noted.  Differential diagnoses considered include hypertrophic scar, dermatofibroma, and granuloma annulare.  Based on clinical presentation and patient history, the diagnosis of keloid is confirmed.  Treatment plan discussed includes [specify treatment options: e.g., intralesional corticosteroid injection, silicone gel sheeting, pressure therapy, cryotherapy, laser therapy, surgical excision, radiation therapy] with patient education on potential benefits, risks, and expected outcomes.  Follow-up appointment scheduled in [duration] for reassessment and treatment adjustment as needed.  ICD-10 code L91.0 Keloid scar is assigned.  Procedure codes for treatment will be assigned upon completion of the procedure.  Patient understands and agrees with the proposed treatment plan.