U.S. ICD-10-CM reference · FY2027
Fast ICD-10-CM Hub
Get updates
S01Category · further specificity requiredCurrent

Open wound of head

HierarchyS00-S09 · S01

Code-level instructions

Excludes 1

open skull fracture (S02.- with 7th character B)

Excludes 2
  • injury of eye and orbit (S05.-)
  • traumatic amputation of part of head (S08.-)
Code also
  • any associated:
  • injury of cranial nerve (S04.-)
  • injury of muscle and tendon of head (S09.1-)
  • intracranial injury (S06.-)
  • wound infection
Seventh character

The appropriate 7th character is to be added to each code from category S01

A — initial encounter

D — subsequent encounter

S — sequela

Inherited instructions

Chapters 19 · Injury, poisoning and certain other consequences of external causes (S00-T88)

Excludes 2
Use additional code

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

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
  • 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.

S00-S09 · Injuries to the head (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
Excludes 2
  • 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

More specific codes

S01.0Open wound of scalpCategory · further specificity requiredS01.1Open wound of eyelid and periocular areaCategory · further specificity requiredS01.2Open wound of noseCategory · further specificity requiredS01.3Open wound of earCategory · further specificity requiredS01.4Open wound of cheek and temporomandibular areaCategory · further specificity requiredS01.5Open wound of lip and oral cavityCategory · further specificity requiredS01.8Open wound of other parts of headCategory · further specificity requiredS01.9Open wound of unspecified part of headCategory · further specificity required
Code edition