T01.00 ICD-10-CA code: Open wound involving head with neck, uncomplicated
T01.00 is the ICD-10-CA code for “Open wound involving head with neck, uncomplicated” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
T01.00Open wound involving head with neck, uncomplicated
Short description: Open wnd inv head w neck uncomplicated
ICD-10-CA · Canada · Also written T0100
Notes for T01.00
As CIHI prints them, with any note T01.00 takes from the headings above it.
Includes
- Open wounds of sites classifiable to S01.- and S11.-From T01.0 Open wound involving head with neck
- Bilateral involvement of limbs of the same body regioninjuries by type involving two or more body regions classifiable within S00-S99From T00-T07 Injuries involving multiple body regions
Excludes
Conditions classified elsewhere.
- With involvement of other body region(s) (T01.8)From T01.0 Open wound involving head with neck
- Traumatic amputations involving multiple body regions (T05.-)From T01 Open wounds involving multiple body regions
- Burns and corrosions (T20-T32)frostbite (T33-T35)insect bite or sting, venomous (T63.4)multiple injuries involving only one body region - see S-sectionsunburn (L55.-)From T00-T07 Injuries involving multiple body regions
- Birth trauma (P10-P15)obstetric trauma (O70-O71)From Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T98)
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 multiple or unspecified body regions as well as poisoning and certain other consequences of external causes.Where multiple sites of injury are specified in the titles, the word "with" indicates involvement of both sites, and the word "and" indicates involvement of either or both sites.The principle of multiple coding of injuries should be followed wherever possible.Combination categories for multiple injuries is provided for use when there are insufficient detail as to the nature of the individual conditions, or for primary tabulation purposes when it is more convenient to record single code; otherwise, the component injuries should be coded separately.Reference should also be made to the coding rules and guidelines.The blocks of the S-section as well as (T00-T14 and T90-T98) contain injuries at the three-character level classified by type as follows:Superficial injury including:abrasionblister (nonthermal)contusion, including bruise and haematomainjury from superficial foreign body (splinter) without major open woundinsect bite (nonvenomous)Open wound including:animal bitecutlacerationpuncture wound:• NOS• with (penetrating) foreign bodyFracture including:Fracture:closed: comminuted, depressed, elevated, fissured, greenstick, impacted, linear, simple, slipped epiphysis, spiral — with or without delayed healingdislocateddisplacedFracture:open: compound, infected, missile, puncture, with foreign body — with or without delayed healingExcludes:malunion of fracture (M84.0)nonunion of fracture [pseudoarthrosis] (M84.1)pathological fracture (M84.4):• with osteoporosis (M80.-)stress fracture (M84.3)Dislocation, sprain and strain including:avulsion, laceration, sprain, strain, traumatic: haemarthosis, rupture, subluxation, tear of cartilage, joint (capsule), ligamentInjury to nerves and spinal cord including:complete or incomplete lesion of spinal cordlesion incontinuity of nerves and spinal cordtraumatic:• division of nerve• haematomyelia• paralysis (transient)• paraplegia• quadriplegiaInjury to blood vessels includingavulsion, cut, laceration, traumatic: aneurysm or fistula (arteriovenous), arterial haematoma, rupture of blood vesselsInjury of muscle, fascia and tendon including:avulsion, cut, laceration, strain, traumatic rupture of muscle, fascia and tendonCrushing InjuryTraumatic amputationInjury to internal organs including:blast injuries, bruise, concussion injuries, crushing, laceration, traumatic: haematoma, puncture, rupture, tear of internal organsOther and unspecified injuriesFrom Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T98)
Where T01.00 sits
- 1ChapterChapter 19: Injury, poisoning and certain other consequences of external causes (S00-T98)
- 2Block T00-T07Injuries involving multiple body regions
- 3Category T01Open wounds involving multiple body regions
- 4Subcategory T01.0Open wound involving head with neck
- 5Valid code T01.00Open wound involving head with neck, uncomplicated
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code T01.00 mean?
T01.00 is the ICD-10-CA code for “Open wound involving head with neck, uncomplicated” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is T01.00 in ICD-10-CA?
T01.00 sits under T01.0 Open wound involving head with neck, within T01 Open wounds involving multiple body regions, within T00-T07 Injuries involving multiple body regions, within Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T98).
What coding notes apply to T01.00?
ICD-10-CA lists Includes, Excludes, Note notes for T01.00, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.