Concussion with loss of consciousness of unspecified duration, initial encounter

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Concussion with loss of consciousness of unspecified duration, initial encounter

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from S06 Intracranial injury

Seventh character required

The appropriate 7th character is to be added to each code from category S06, except as noted below

Excludes1 - never coded here

head injury NOS (S09.90)

Use additional code

code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-)

Code also

any associated:
open wound of head (S01.-)
skull fracture (S02.-)

Includes

traumatic brain injury

Note

7th characters D and S do not apply to codes in category S06 with 6th character 7 - death due to brain injury prior to regaining consciousness, or 8 - death due to other cause prior to regaining consciousness.

Inherited from the S00-S09 section Injuries to the head (S00-S09)

Excludes2 - not included here

burns and corrosions (T20-T32)
effects of foreign body in ear (T16)
effects of foreign body in larynx (T17.3)
effects of foreign body in mouth NOS (T18.0)
effects of foreign body in nose (T17.0-T17.1)
effects of foreign body in pharynx (T17.2)
effects of foreign body on external eye (T15.-)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)

Code also

for any associated infection

Includes

injuries of ear
injuries of eye
injuries of face [any part]
injuries of gum
injuries of jaw
injuries of oral cavity
injuries of palate
injuries of periocular area
injuries of scalp
injuries of temporomandibular joint area
injuries of tongue
injuries of tooth

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Injury > blast NEC > brain
Concussion > blast > abdomen or thorax
Concussion
Concussion > with > loss of consciousness > unspecified duration

Codes in the same group

Code	Description	Status
S06.0X9D	Concussion with loss of consciousness of unspecified duration, subsequent encounter	Valid
S06.0X9S	Concussion with loss of consciousness of unspecified duration, sequela	Valid