S09
Other and unspecified injuries of head
Choose the additional character
S09 needs more characters to be billable. Pick the specific code below.
- S09.0Injury of blood vessels of head, not elsewhere classifiedMore levels
- S09.1Injury of muscle and tendon of headMore levels
- S09.2Traumatic rupture of ear drumMore levels
- S09.3Other specified and unspecified injury of middle and inner earMore levels
- S09.8Other specified injuries of headMore levels
- S09.9Unspecified injury of face and headMore levels
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
The appropriate 7th character is to be added to each code from category S09
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
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
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)
for any associated infection
code to identify any retained foreign body, if applicable (Z18.-)
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 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. (T07-T88) Injury, poisoning and certain other consequences of external causes (T07-T88) (T20-T32) Burns and corrosions (T20-T32) Includes: burns (thermal) from electrical heating appliances burns (thermal) from electricity burns (thermal) from flame burns (thermal) from friction burns (thermal) from hot air and hot gases burns (thermal) from hot objects burns (thermal) from lightning burns (thermal) from radiation chemical burn [corrosion] (external) (internal) scalds Excludes2: erythema [dermatitis] ab igne (L59.0) radiation-related disorders of the skin and subcutaneous tissue (L55-L59) sunburn (L55.-)
Official Guidelines for S09
FY 2026 ›Subsections
- I.C.19.aApplication of 7th Characters in Chapter 19
- I.C.19.bCoding of Injuries
- I.C.19.cCoding of Traumatic Fractures
- I.C.19.dCoding of Burns and Corrosions
- I.C.19.eAdverse Effects, Poisoning, Underdosing and Toxic Effects
- I.C.19.fAdult and child abuse, neglect and other maltreatment
- I.C.19.gComplications of care
Sections that reference S09
Sections whose FY 2026 text names S09, its S09 category, or a range containing it — the chapter guidance above is the authoritative source.