ICD-9-CM Codes ICD-9-PCS Codes

850.4 - Concussion with prolonged loss of consciousness, without return to pre-existing conscious level

GEM Conversion to ICD-10 CM

NoDx

Fs: 11000

Sibling Codes

850.0

Concussion with no loss of consciousness

850.2

Concussion with moderate loss of consciousness

850.3

Concussion with prolonged loss of consciousness and return to pre-existing conscious level

850.4

Concussion with prolonged loss of consciousness, without return to pre-existing conscious level

850.5

Concussion with loss of consciousness of unspecified duration

850.9

Concussion, unspecified