850.4 - Concussion With Prolonged Loss Of Consciousness, Without Return To Pre-existing Conscious Level
The ICD 9 Code for Concussion with prolonged loss of consciousness, without return to pre-existing conscious level is listed as 850.4.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
| ICD 9 CM Field | Value |
|---|---|
| Diagnosis Code: | 850.4 |
| Long Description: | Concussion with prolonged loss of consciousness, without return to pre-existing conscious level |
| Short Description: | Concussion-deep coma |
| Chapter: | Injury And Poisoning |
| Block: | Intracranial Injury, Excluding Those With Skull Fracture (850-854) |
| ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS): | |
| ICD-10-CM Code: | S06.0X6A - Concussion with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, initial encounter (approximate) |
| ICD-9-CM Siblings (same level / similar specificity) of 850.4: | |
| 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 | |
| 850.5 - Concussion with loss of consciousness of unspecified duration | |
| 850.9 - Concussion, unspecified | |