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ICD-10 Guide
ICD-10 CodesM24.859

M24.859

Billable

Other specific joint derangements of unspecified hip, not elsewhere classified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/17/2025

Code Description

ICD-10 M24.859 is a billable code used to indicate a diagnosis of other specific joint derangements of unspecified hip, not elsewhere classified.

Key Diagnostic Point:

M24.859 refers to various specific joint derangements of the hip that do not fall under more defined categories. This code encompasses conditions such as internal derangements, which may include issues like meniscal tears or ligament injuries that affect the hip joint. These injuries can result from acute trauma or chronic overuse, leading to pain, instability, and impaired function. The hip joint, being a ball-and-socket joint, is susceptible to various types of injuries that can disrupt its normal mechanics. Arthroscopic procedures may be employed to diagnose and treat these conditions, allowing for minimally invasive intervention. Accurate diagnosis is crucial, as the treatment plan may vary significantly based on the specific nature of the derangement. Documentation should clearly outline the patient's symptoms, the mechanism of injury, and any imaging studies performed to support the diagnosis.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential underlying conditions leading to joint derangement
  • Need for precise documentation to differentiate from similar codes
  • Variability in treatment approaches based on specific injuries
  • Potential for overlapping symptoms with other hip conditions

Audit Risk Factors

  • Inadequate documentation of the specific joint derangement
  • Failure to provide imaging results that support the diagnosis
  • Misuse of the code when a more specific code is applicable
  • Inconsistent clinical notes regarding the patient's symptoms

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed clinical notes, imaging studies, and treatment plans must be documented.

Common Clinical Scenarios

Patients presenting with hip pain after trauma, chronic hip pain with no clear diagnosis, or post-surgical complications.

Billing Considerations

Orthopedic specialists should ensure that all relevant findings from physical examinations and imaging are included to support the diagnosis.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive assessment of functional limitations and treatment goals.

Common Clinical Scenarios

Rehabilitation following hip surgery or injury, chronic pain management.

Billing Considerations

Documentation should focus on the impact of the joint derangement on the patient's daily activities and rehabilitation progress.

Coding Guidelines

Inclusion Criteria

Use M24.859 When
  • According to ICD
  • 10 coding guidelines, M24
  • 859 should be used when a specific joint derangement of the hip is identified but does not fit into other defined categories
  • Coders must ensure that the documentation supports the use of this code and that no more specific codes are applicable

Exclusion Criteria

Do NOT use M24.859 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

29862CPT Code

Arthroscopy, hip, diagnostic

Clinical Scenario

Used when performing a diagnostic arthroscopy for suspected internal derangement.

Documentation Requirements

Document the indication for the procedure and findings during the arthroscopy.

Specialty Considerations

Orthopedic surgeons should ensure that the procedure is well-documented to support the diagnosis.

27370CPT Code

Arthroscopic repair of hip labrum

Clinical Scenario

Used when repairing a torn labrum identified during arthroscopy.

Documentation Requirements

Detailed operative notes and pre-operative imaging must be included.

Specialty Considerations

Ensure that the diagnosis aligns with the procedure performed.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of joint derangements, which can improve the accuracy of diagnoses and treatment plans. M24.859 serves as a catch-all for unspecified conditions, but coders must be diligent in ensuring that documentation supports its use.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of joint derangements, which can improve the accuracy of diagnoses and treatment plans. M24.859 serves as a catch-all for unspecified conditions, but coders must be diligent in ensuring that documentation supports its use.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of joint derangements, which can improve the accuracy of diagnoses and treatment plans. M24.859 serves as a catch-all for unspecified conditions, but coders must be diligent in ensuring that documentation supports its use.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

When should I use M24.859 instead of a more specific code?

M24.859 should be used when the specific nature of the joint derangement cannot be determined, and no other codes apply. Ensure that documentation supports the use of this code.