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v1.0.0
ICD-10 Guide
DiagnosesHyperkeratotic Lesion

Hyperkeratotic Lesion

ICD-10 Coding for Hyperkeratotic Lesion(L85.1)

PRIMARY SPECIALTYPodiatry
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Hyperkeratotic Lesion?
Essential facts and insights about Hyperkeratotic Lesion

Key Clinical Considerations:

  • Thickened skin with a rough texture
  • Presence of calluses or corns
  • Pain or discomfort in weight-bearing areas

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including duration and symptoms
  • Description of lesion characteristics (size, location, texture)
  • Photographic evidence if applicable

Coding Guidelines

Usage Guidelines & Examples

  • Usage guidelines: Use specific codes based on lesion type and location.
  • Common errors: Misclassifying lesions or using outdated codes.

Code Exclusions

Important Exclusions

  • Excludes: Malignant skin lesions
  • Alternative codes: Consider codes for associated conditions like diabetes.

Related ICD-10 Codes

Primary Codes
L40.0
Psoriasis vulgaris
L85.0
Keratosis pilaris
L84
Corn and callus
Ancillary Codes
R20.2
Differential Codes
L57.0
Q82.8

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Podiatry

Specialty Applications

  • Diabetic patients with foot complications
  • Patients with chronic skin conditions

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Include detailed lesion description and patient history.

Billing considerations?

Ensure correct ICD codes are used to avoid claim denials.