S06.9 – Unspecified intracranial injury

ICD-10-CM 2027 diagnosis code · Injuries to the head

Non-billable header

ICD-10-CM code S06.9

Code: S06.9 (claims format: S069)
Description: Unspecified intracranial injury
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
Block: S00-S09 Injuries to the head
Parent codes: S06

Billable codes under S06.9

S06.9 is a header code and cannot be used on claims. Choose the most specific code:

S06.9X – Unspecified intracranial injuryHeader (more codes below)

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes for S06.9

Applicable to:

Brain injury NOS
Head injury NOS with loss of consciousness
Traumatic brain injury NOS

Excludes1 (not coded here):

conditions classifiable to S06.0- to S06.8-code to specified intracranial injury
head injury NOS (S09.90)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

S06 – Intracranial injury

Includes:

traumatic brain injury

Excludes1 (not 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.-)

Notes:

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.

7th character note:

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

Block S00-S09

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

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

Index terms for S06.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in S06

S06.0 – ConcussionHeader
S06.1 – Traumatic cerebral edemaHeader
S06.2 – Diffuse traumatic brain injuryHeader
S06.3 – Focal traumatic brain injuryHeader
S06.4 – Epidural hemorrhageHeader
S06.5 – Traumatic subdural hemorrhageHeader
S06.6 – Traumatic subarachnoid hemorrhageHeader
S06.8 – Other specified intracranial injuriesHeader
S06.A – Traumatic brain compression and herniationHeader

Frequently asked questions

What is ICD-10 code S06.9?

S06.9 is the ICD-10-CM code for unspecified intracranial injury, in the block S00-S09 (Injuries to the head).

Is S06.9 a billable code?

No. S06.9 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S06.9 belong to?

It belongs to category S06 – Intracranial injury.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.