All ICD10 Codes

S01

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Open wound of head

Use a more specific code (0 billable, 8 non-billable)
S01.0Open wound of scalphas subcodesS01.1Open wound of eyelid and periocular areahas subcodesS01.2Open wound of nosehas subcodesS01.3Open wound of earhas subcodesS01.4Open wound of cheek and temporomandibular areahas subcodesS01.5Open wound of lip and oral cavityhas subcodesS01.8Open wound of other parts of headhas subcodesS01.9Open wound of unspecified part of headhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

S00-S09 Parent Instructions

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
Excludes2(Not included here. Code separately if applicable.)
  • 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

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • open skull fracture (S02.- with 7th character B)
Excludes2(Not included here. Code separately if applicable.)
  • 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

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S00-S09Injuries to the head (S00-S09)
S01Open wound of headNot billable
S01.0Open wound of scalpSubcodes
S01.1Open wound of eyelid and periocular areaSubcodes
S01.2Open wound of noseSubcodes
S01.3Open wound of earSubcodes
S01.4Open wound of cheek and temporomandibular areaSubcodes
S01.5Open wound of lip and oral cavitySubcodes
S01.8Open wound of other parts of headSubcodes
S01.9Open wound of unspecified part of headSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S01:

blockS00-S09
Injuries to the head (S00-S09)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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