2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Injury And Poisoning 800-999 > Intracranial Injury, Excluding Those With Skull Fracture 850-854 > Concussion 850.* >  2008 ICD-9-CM Diagnosis 850.5
Concussion with loss of consciousness of unspecified duration On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 850.5 can be accessed here. - 850.5 is a specific code that can be used to specify a diagnosis
- 850.5 contains 3 index entries
- View the ICD-9-CM Volume 1 850.* hierarchy
Index entries containing 850.5:- Concussion (current) 850.9
- with
- loss of consciousness
 850.5- brief (less than one hour)
- moderate (1-24 hours) 850.2
- prolonged (more than 24 hours) (with complete recovery) (with return to pre-existing conscious level) 850.3
- without return to pre-existing conscious level 850.4
- brain or cerebral (without skull fracture) 850.9
- with
- loss of consciousness 850.5
- brief (less than one hour)
- moderate (1-24 hours) 850.2
- prolonged (more than 24 hours) (with complete recovery) (with return to pre-existing conscious level) 850.3
- without return to pre-existing conscious level 850.4
Injury 959.9- head NEC 959.01
- with
- loss of consciousness 850.5
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