2022 ICD-10-CM Diagnosis Code S09.90

Unspecified injury of head

    2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
  • S09.90 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2022 edition of ICD-10-CM S09.90 became effective on October 1, 2021.
  • This is the American ICD-10-CM version of S09.90 - other international versions of ICD-10 S09.90 may differ.
Applicable To
  • Head injury NOS
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as S09.90. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • brain injury NOS (
    ICD-10-CM Diagnosis Code S06.9

    Unspecified intracranial injury

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Applicable To
    • Brain injury NOS
    • Head injury NOS with loss of consciousness
    • Traumatic brain injury NOS
    Type 1 Excludes
    • conditions classifiable to S06.0- to S06.8-code to specified intracranial injury
    • head injury NOS (S09.90)
    S06.9-
    )
  • head injury NOS with loss of consciousness (
    ICD-10-CM Diagnosis Code S06.9

    Unspecified intracranial injury

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Applicable To
    • Brain injury NOS
    • Head injury NOS with loss of consciousness
    • Traumatic brain injury NOS
    Type 1 Excludes
    • conditions classifiable to S06.0- to S06.8-code to specified intracranial injury
    • head injury NOS (S09.90)
    S06.9-
    )
  • intracranial injury NOS (
    ICD-10-CM Diagnosis Code S06.9

    Unspecified intracranial injury

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Applicable To
    • Brain injury NOS
    • Head injury NOS with loss of consciousness
    • Traumatic brain injury NOS
    Type 1 Excludes
    • conditions classifiable to S06.0- to S06.8-code to specified intracranial injury
    • head injury NOS (S09.90)
    S06.9-
    )
The following code(s) above S09.90 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to S09.90:
  • S00-T88
    2022 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • S00-S09
    2022 ICD-10-CM Range S00-S09

    Injuries to the head

    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
    Type 2 Excludes
    • 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)
    Injuries to the head
Clinical Information
  • A traumatic injury to the head.
  • Chances are you've bumped your head before. Usually, the injury is minor because your skull is hard and it protects your brain. But other head injuries can be more severe, such as a skull fracture, concussion, or traumatic brain injury.head injuries can be open or closed. A closed injury does not break through the skull. With an open, or penetrating, injury, an object pierces the skull and enters brain tissue. Closed injuries are not always less severe than open injuries.some common causes of head injuries are falls, motor vehicle accidents, violence, and sports injuries.it is important to know the warning signs of a moderate or severe head injury. Get help immediately if the injured person has
    • a headache that gets worse or does not go away
    • repeated vomiting or nausea
    • convulsions or seizures
    • an inability to wake up
    • dilation of one or both pupils of the eyes
    • slurred speech
    • weakness or numbness in the arms or legs
    • loss of coordination
    • increased confusion, restlessness, or agitation
  • Traumatic injuries involving the cranium and intracranial structures (i.e., brain; cranial nerves; meninges; and other structures). Injuries may be classified by whether or not the skull is penetrated (i.e., penetrating vs. Nonpenetrating) or whether there is an associated hemorrhage.
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
Code annotations containing back-references to S09.90:
  • Type 1 Excludes: S06
    , S06.9
    ICD-10-CM Diagnosis Code S06

    Intracranial injury

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    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.
    Type 1 Excludes
    ICD-10-CM Diagnosis Code S06.9

    Unspecified intracranial injury

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Applicable To
    • Brain injury NOS
    • Head injury NOS with loss of consciousness
    • Traumatic brain injury NOS
    Type 1 Excludes
    • conditions classifiable to S06.0- to S06.8-code to specified intracranial injury
    • head injury NOS (S09.90)

Diagnosis Index entries containing back-references to S09.90:
  • Injury T14.90
    - see also specified injury type
    ICD-10-CM Diagnosis Code T14.90

    Injury, unspecified

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Applicable To
    • Injury NOS
    • head S09.90
    • occipital (region) (scalp) S09.90
    • parietal (region) (scalp) S09.90
    • scalp S09.90
    • brow S09.90
    • forehead S09.90
    • gum S09.90
    • mastoid region S09.90
    • skull NEC S09.90
    • temple S09.90
    • temporal region S09.90

ICD-10-CM Codes Adjacent To S09.90
S09.392S …… sequela
S09.399 Other specified injury of unspecified middle and inner ear
S09.399A …… initial encounter
S09.399D …… subsequent encounter
S09.399S …… sequela
S09.8 Other specified injuries of head
S09.8XXA …… initial encounter
S09.8XXD …… subsequent encounter
S09.8XXS …… sequela
S09.9 Unspecified injury of face and head
S09.90 Unspecified injury of head
S09.90XA …… initial encounter
S09.90XD …… subsequent encounter
S09.90XS …… sequela
S09.91 Unspecified injury of ear
S09.91XA …… initial encounter
S09.91XD …… subsequent encounter
S09.91XS …… sequela
S09.92 Unspecified injury of nose
S09.92XA …… initial encounter
S09.92XD …… subsequent encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.