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v1.0.0
ICD-10 Guide
DiagnosesHypermobility

Hypermobility

ICD-10 Coding for Hypermobility Syndrome(M35.7, Q79.6)

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

Diagnosis Overview

What is Hypermobility?
Essential facts and insights about Hypermobility Syndrome

Key Clinical Considerations:

  • Joint hypermobility in multiple joints
  • Recurrent joint dislocations or subluxations
  • Chronic joint pain or fatigue

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of joint issues and family history
  • Use of Beighton score for hypermobility assessment
  • Detailed descriptions of joint mobility and pain levels

Coding Guidelines

Usage Guidelines & Examples

  • Ensure correct application of M35.7 for hypermobility syndrome versus M24.9 for unspecified joint disorders.
  • Common errors include misclassifying hypermobility as a primary joint disorder.

Code Exclusions

Important Exclusions

  • Ehlers-Danlos syndrome (M35.8)
  • Other connective tissue disorders that may present with hypermobility

Related ICD-10 Codes

Primary Codes
M35.7
Hypermobility syndrome
Q79.8
Other specified congenital malformations of musculoskeletal system
Ancillary Codes
R26.2
M35.7
when mobility aids are required.
M25.5
M35.7
.
Differential Codes
Q79.6
M35.7

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Orthopedics

Specialty Applications

  • Patients with joint hypermobility, particularly in pediatric and adolescent populations
  • Orthopedic clinics, rheumatology practices, and physical therapy settings

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 patient history, physical exam findings, and Beighton score.

Billing considerations?

Ensure accurate coding to reflect the severity and impact on daily activities.