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ICD-10 Guide
ICD-10 CodesS73.003

S73.003

Billable

Unspecified subluxation of unspecified hip

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/25/2025

Code Description

ICD-10 S73.003 is a billable code used to indicate a diagnosis of unspecified subluxation of unspecified hip.

Key Diagnostic Point:

Unspecified subluxation of the hip refers to a partial dislocation where the femoral head is not fully displaced from the acetabulum. This condition can occur due to trauma, repetitive stress, or degenerative changes in the hip joint. Patients may present with pain, limited range of motion, and instability in the hip joint. The diagnosis is often made through physical examination and imaging studies, such as X-rays or MRI, which help to visualize the joint's alignment and any associated injuries. Treatment typically involves conservative management, including physical therapy and pain management, but may require surgical intervention if instability persists or if there are associated fractures or significant soft tissue injuries. Orthopedic trauma surgery may be indicated in cases where the subluxation is accompanied by other injuries, such as femoral neck fractures or acetabular fractures, necessitating a more complex surgical approach to restore joint stability and function.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Lack of specificity in the diagnosis
  • Potential for associated injuries complicating the coding
  • Variability in treatment approaches
  • Need for precise documentation to support the diagnosis

Audit Risk Factors

  • Insufficient documentation of the mechanism of injury
  • Failure to specify associated injuries
  • Inconsistent coding of related procedures
  • Lack of follow-up documentation

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed notes on the mechanism of injury, physical examination findings, imaging results, and treatment plan.

Common Clinical Scenarios

Patients presenting with hip pain after a fall, athletes with hip instability, or elderly patients with degenerative changes.

Billing Considerations

Ensure that all associated injuries are documented to support the coding of S73.003.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive assessment of functional limitations, treatment goals, and progress notes.

Common Clinical Scenarios

Patients undergoing rehabilitation post-subluxation or those with chronic hip instability.

Billing Considerations

Document the impact of the condition on daily activities and the effectiveness of rehabilitation interventions.

Coding Guidelines

Inclusion Criteria

Use S73.003 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when the specific type of subluxation is not documented
  • Include any relevant external cause codes if applicable

Exclusion Criteria

Do NOT use S73.003 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

27130CPT Code

Total hip arthroplasty

Clinical Scenario

Used in cases where subluxation leads to significant joint degeneration.

Documentation Requirements

Document the indication for surgery, including failed conservative management.

Specialty Considerations

Orthopedic surgeons must provide detailed operative notes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding, but S73.003 remains a challenge due to its unspecified nature. Coders must ensure accurate documentation to avoid denials.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding, but S73.003 remains a challenge due to its unspecified nature. Coders must ensure accurate documentation to avoid denials.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding, but S73.003 remains a challenge due to its unspecified nature. Coders must ensure accurate documentation to avoid denials.

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

What is the difference between subluxation and dislocation?

Subluxation refers to a partial dislocation where the joint surfaces are still in contact, while dislocation indicates that the joint surfaces are completely separated.