S09.90

Unspecified injury of head

Requires 7th character

S09.90 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Applicable to

  • Head injury NOS

Includes (from S09)

  • 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
  • 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
  • Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

Excludes1

Not coded here — never report together with this code.

  • brain injury NOS (S06.9-)
  • head injury NOS with loss of consciousness (S06.9-)
  • intracranial injury NOS (S06.9-)

Excludes2

Not included here — may be reported together when both conditions exist.

  • birth trauma (P10-P15) (from S09)
  • obstetric trauma (O70-O71) (from S09)
  • burns and corrosions (T20-T32) (from S09)
  • effects of foreign body in ear (T16) (from S09)
  • effects of foreign body in larynx (T17.3) (from S09)
  • effects of foreign body in mouth NOS (T18.0) (from S09)
  • effects of foreign body in nose (T17.0-T17.1) (from S09)
  • effects of foreign body in pharynx (T17.2) (from S09)
  • effects of foreign body on external eye (T15.-) (from S09)
  • frostbite (T33-T34) (from S09)
  • insect bite or sting, venomous (T63.4) (from S09)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify any retained foreign body, if applicable (Z18.-) (from S09)

Code also

An additional code may be needed.

  • for any associated infection (from S09)

7th character

This code requires a 7th character (defined at S09). Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Also known as

  • Head injury NOS
  • Injury, brow
  • Injury, forehead
  • Injury, gum
  • Injury, head
  • Injury, mastoid region
  • Injury, occipital
  • Injury, parietal
  • Injury, scalp
  • Injury, skull NEC
  • Injury, temple
  • Injury, temporal region

Parent code

  • S09.9Unspecified injury of face and headNeeds 7th char

More specific codes S09.90

  • S09.90XAUnspecified injury of head, initial encounterBillable
  • S09.90XDUnspecified injury of head, subsequent encounterBillable
  • S09.90XSUnspecified injury of head, sequelaBillable

Related codes

  • S09.91Unspecified injury of earNeeds 7th char
  • S09.92Unspecified injury of noseNeeds 7th char
  • S09.93Unspecified injury of faceNeeds 7th char

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