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Musculocutaneous Nerve Palsy S44.40XA 955.4

 

ICD-9 Classification / Treatment
Etiology / Epidemiology / Natural History Associated Injuries / Differential Diagnosis
Anatomy Complications
Clinical Evaluation Follow-up Care
Xray / Diagnositc Tests Review References

synonyms

Musculocutaneous Nerve Palsy ICD-10

 

 

A- initial encounter

D- subsequent encounter

S- sequela

 

 Musculocutaneous Nerve Palsy ICD-9

  • 955.4 Injury to perpheral nerve of shoulder girdle - musculocutaneous nerve

  • 8.2% of pts undergoing open anterior reconstructions for GH instability will have a neurologic deficit. 78% of these will have complete resolution of the deficit. (JSES 1999;8:266)
  • Neuroligic injury/brachial plexus palsy has been associated with scalene block anesthesia (Weber, JBJS 2002;84A:775)
  • Signs of injured peripheral nerve recovery(radial nerve) can be delayed longer than 6 months.  EMG/NCV findings parallel clinical findings and show signs of recovery no more than a month before clinically evident.  Complete nerve recovery can take 2 years or more. (Ring, J Hand Surg 2004;29A:144)
  • Musculocutaneous nerve palsies can be treated by intercostal to musculocutaneous nerve transfers.  90% achieve >/= M3 biceps strength, 70% achieve >M4 strength.  Nerve transfers are best done within 9 months of injury.  (Merrell, J Hand Surg 2001;26A;303)

 

 

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