S01.81XA

Laceration without foreign body of other parts of head, initial encounter

S01.81XA is a specific clinical designation for a laceration—a tear or cut through the full thickness of the skin—located on regions of the head other than the scalp, eyelids, nose, ears, cheek, or oral cavity. This often includes areas such as the forehead (when not classified as scalp), temple, or chin. The 'without foreign body' qualifier specifies that no debris such as glass, metal, wood, or dirt is embedded within the wound. The 'initial encounter' designation (7th character 'A') signifies that the patient is receiving active treatment for the injury. This includes the first time the patient is seen for the wound, as well as subsequent visits where active treatment (such as surgical repair, debridement, or cleaning) is still being performed by the initial or a new provider.

Clinical Symptoms

  • Localized pain at the injury site
  • Visible break in the skin with irregular or jagged edges
  • Active bleeding, ranging from minor oozing to heavy hemorrhage
  • Edema (swelling) of the surrounding tissue
  • Ecchymosis (bruising) around the wound margins
  • Tenderness to palpation
  • Gaping of the wound edges
  • Possible localized numbness if superficial nerve branches are affected

Common Causes

  • Blunt force trauma resulting in skin bursting (e.g., hitting the forehead on a hard surface)
  • Impact with sharp-edged objects such as broken glass or metal
  • Falls from standing height or higher, particularly in children and the elderly
  • Motor vehicle accidents involving impact with interior vehicle components
  • Sports-related injuries (e.g., being struck by equipment or another player)
  • Physical assaults or altercations
  • Industrial or workplace accidents involving machinery

Documentation & Coding Tips

Explicitly state the anatomic location using precise terminology to differentiate from more specific codes like the scalp, ear, or eyelid.

Example: Patient presents with a 4.5 cm linear laceration on the chin following a fall. Examination confirms the wound is limited to the chin region and does not involve the oral mucosa or the mandible bone. This documentation supports S01.81XA by specifying an other part of the head that is not the scalp, ear, or nose. Patient has a history of peripheral vascular disease which may complicate wound healing.

Billing Focus: Site specificity (chin) and laterality where applicable.

Document the absence of foreign bodies based on thorough exploration and irrigation of the wound.

Example: The 3 cm forehead laceration was explored under local anesthesia with 1 percent lidocaine. No foreign bodies, debris, or glass shards were identified within the wound bed. Wound was irrigated with 250mL of normal saline. The absence of foreign material justifies the use of S01.81XA rather than S01.82XA. Patient is a tobacco smoker, which is noted for its impact on wound tensile strength.

Billing Focus: Exclusion of foreign body (S01.81 vs S01.82).

Verify and document the encounter status as initial to ensure the correct seventh character 'A' is utilized.

Example: This is the initial encounter for a 5 cm laceration of the posterior neck-head junction sustained 2 hours ago. The patient has not received prior medical evaluation for this injury. Surgical repair with 4-0 Ethilon sutures performed today. Coding requires the A suffix for the first phase of active treatment.

Billing Focus: Episode of care (Initial Encounter).

Describe the depth of the laceration and the layers of tissue involved to support procedural code selection.

Example: A 2 cm laceration on the cheek, lateral to the zygomatic arch, involves the epidermis and dermis but does not extend into the subcutaneous fat or involve the parotid duct. Simple closure performed. The depth documentation supports the ICD-10 diagnosis and the selection of a simple repair CPT code. Patient has well-controlled Type 2 Diabetes.

Billing Focus: Tissue layer involvement (Epidermis/Dermis vs Subcutaneous).

Include the mechanism of injury to provide context for the external cause codes often required alongside injury diagnoses.

Example: Patient sustained a laceration to the submental region of the head when they struck their chin on a coffee table during a syncopal episode. No foreign body noted. Initial evaluation for both the laceration and the underlying cause of syncope. This detail allows for accurate external cause mapping (W18.09XA).

Billing Focus: Mechanism of injury for secondary external cause coding.

Relevant CPT Codes

Related Diagnoses

Hierarchy