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Medical Disability Advisor  >  Internal Derangement Of Knee  >  Cited References  see more: ACOEM - Knee Disorders

Internal Derangement of Knee

Related Terms

  • Knee Instability
  • Torn Ligament(s)
  • Torn Meniscus

Differential Diagnoses

Specialists

  • Orthopedic (Orthopaedic) Surgeon
  • Physiatrist
  • Physical Therapist
  • Sports Medicine Physician

Comorbid Conditions

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Factors Influencing Duration

Factors influencing length of disability depend on the nature of the derangement, fitness level and age of the individual, intervention requirements, adherence to a rehabilitation program, proper rest interval, job requirements, the development of complications, and the presence of comorbid conditions or prior injury to the knee. Any task that stresses an already compromised knee will prolong and exacerbate the problem.

Duration Trends from Reference Data

DURATION TRENDS
 ICD-9-CM: 717, 717.8, 717.9  
CasesMeanMinMaxNo Lost TimeOver 6 Months
47725302510.4%2.1%
 
  
 
Percentile:5th25thMedian75th95th
Days:9224171146
 
  
 

Medical Codes

ICD-9-CM:
717 - Internal Derangement of Knee; Degeneration, Rupture (old), or Tear (old) of Articular Cartilage or Meniscus of Knee
717.8 - Other Internal Derangement of Knee
717.9 - Unspecified Internal Derangement of Knee

Cited References

"Common Knee Injuries." American Academy of Orthopaedic Surgeons. Aug. 2007. American Association of Orthopaedic Surgeons. 18 Feb. 2009 <http://orthoinfo.aaos.org/topic.cfm?topic=A00325>.

Levy, David, Howard Dickey-White, and June Sanson. "Knee Injury, Soft Tissue." eMedicine. Eds. Eric Kardon, et al. 12 Dec. 2008. Medscape. 18 Feb. 2009 <http://emedicine.medscape.com/article/826792-overview>.

Source: Medical Disability Advisor


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