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v1.0.0
ICD-10 Guide
DiagnosesHyperhidrosis

Hyperhidrosis

ICD-10 Coding for Hyperhidrosis(L74.510, L74.512, L74.52)

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

Diagnosis Overview

What is Hyperhidrosis?
Essential facts and insights about Hyperhidrosis

Key Clinical Considerations:

  • Excessive sweating in specific areas (palms, soles, axillae)
  • Sweating episodes occurring at least once a week
  • Sweating that interferes with daily activities

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of sweating patterns and triggers
  • Physical examination noting areas of excessive sweating
  • Use of specific terms like 'primary hyperhidrosis' or 'secondary hyperhidrosis'

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for distinguishing between primary and secondary hyperhidrosis.
  • Common errors include misclassifying the type of hyperhidrosis.

Code Exclusions

Important Exclusions

  • Hyperhidrosis due to medication or systemic disease
  • Alternative codes for sweating disorders unrelated to hyperhidrosis

Related ICD-10 Codes

Primary Codes
R61
Generalized hyperhidrosis
I73.9
Peripheral vascular disease, unspecified
Ancillary Codes
R61
Differential Codes
R61
R61
for sweating affecting the entire body without focal areas.
L74.510
L74.510
for primary axillary sweating without secondary causes.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Neurology

Specialty Applications

  • Patients with localized or generalized sweating issues
  • Neurology clinics focusing on autonomic dysfunction

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

What are the documentation requirements?

Document the frequency, duration, and impact of sweating.

What are the billing considerations?

Ensure accurate coding to reflect the type of hyperhidrosis for proper reimbursement.