Home > 2012 ICD-9-CM Diagnosis Codes > Injury And Poisoning 800-999 > Intracranial Injury, Excluding Those With Skull Fracture 850-854 > Concussion 850-
2012 ICD-9-CM Diagnosis Code 850.9
Concussion, unspecified
- A violent jar or shock, or the condition which results from such an injury.
- Short description: Concussion NOS.
- ICD-9-CM 850.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
- You are viewing the 2012 version of ICD-9-CM 850.9.
- More recent version(s) of ICD-9-CM 850.9: 2013.
Convert 850.9 to ICD-10-CM 
ICD-9-CM 850.9 converts approximately to:
- 2013 ICD-10-CM S06.0X0A Concussion without loss of consciousness, initial encounter
ICD-9-CM Volume 2 Index entries containing back-references to 850.9:
- Blast
injury 869.0
with open wound into cavity 869.1- abdomen or thorax - see Injury, internal, by site
- brain (see also Concussion, brain) 850.9
with skull fracture - see Fracture, skull
- ear (acoustic nerve trauma) 951.5
- with perforation, tympanic membrane - see Wound, open, ear, drum
- lung (see also Injury, internal, lung) 861.20
- otitic (explosive) 388.11
- Commotio (current)
- cerebri (see also Concussion, brain) 850.9
- with skull fracture - see Fracture, skull, by site
- Commotion (current)
- brain (without skull fracture) (see also Concussion, brain) 850.9
- with skull fracture - see Fracture, skull, by site
- Concussion (current) 850.9
- with
- without loss of consciousness 850.0
- blast (air) (hydraulic) (immersion) (underwater) 869.0
- brain or cerebral (without skull fracture) 850.9
- cauda equina 952.4
- cerebral - see Concussion, brain
- conus medullaris (spine) 952.4
- hydraulic - see Concussion, blast
- internal organs - see Injury, internal, by site
- labyrinth - see Injury, intracranial
- ocular 921.3
- osseous labyrinth - see Injury, intracranial
- spinal (cord) - see also Injury, spinal, by site
- due to
- broken
- back - see Fracture, vertebra, by site, with spinal cord injury
- neck - see Fracture, vertebra, cervical, with spinal cord injury
- fracture, fracture dislocation, or compression fracture of spine or vertebra - see Fracture, vertebra, by site, with spinal cord injury
- syndrome 310.2
- underwater blast - see Concussion, blast
- Encephalopathy (acute) 348.30
- due to
- birth injury (intracranial) 767.8
- dialysis 294.8
- transient 293.9
- drugs - (see also Table of Drugs and Chemicals) 349.82
- hyperinsulinism - see Hyperinsulinism
- influenza (virus) (see also Influenza) 487.8
- lack of vitamin (see also Deficiency, vitamin) 269.2
- nicotinic acid deficiency 291.2
- serum (nontherapeutic) (therapeutic) 999.59
- syphilis 094.81
- trauma (postconcussional) 310.2
- current (see also Concussion, brain) 850.9
- with skull fracture - see Fracture, skull, by site, with intracranial injury
- vaccination 323.51
- traumatic (postconcussional) 310.2
- current (see also Concussion, brain) 850.9
- with skull fracture - see Fracture, skull, by site, with intracranial injury
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 850.9 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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