2021 ICD-10-CM Diagnosis Code S09.90XA

Unspecified injury of head, initial encounter

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • S09.90XA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM S09.90XA became effective on October 1, 2020.
  • This is the American ICD-10-CM version of S09.90XA - other international versions of ICD-10 S09.90XA may differ.
The following code(s) above S09.90XA 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 S09.90XA:
  • S00-T88
    2021 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
    2021 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
  • S09.90
    ICD-10-CM Diagnosis Code S09.90

    Unspecified injury of head

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Head injury NOS
    Type 1 Excludes
    • brain injury NOS (S06.9-)
    • head injury NOS with loss of consciousness (S06.9-)
    • intracranial injury NOS (S06.9-)
    Unspecified injury of head
Approximate Synonyms
  • Calcified haematoma of head
  • Cerebral trauma
  • Closed head injury
  • Closed injury of head
  • Head trauma
  • Hematoma, cephalic, calcified
  • Open head injury
  • Open injury of head
  • Traumatic head injury
ICD-10-CM S09.90XA is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
  • 913 Traumatic injury with mcc
  • 914 Traumatic injury without mcc
  • 963 Other multiple significant trauma with mcc
  • 964 Other multiple significant trauma with cc
  • 965 Other multiple significant trauma without cc/mcc

Convert S09.90XA to ICD-9-CM

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
ICD-10-CM Codes Adjacent To S09.90XA
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
S09.92XS …… sequela

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