CPT 12046: Intermediate Repair of Superficial Wound, 20.1–30.0 cm

CPT code 12046 designates an intermediate repair procedure for superficial wounds of the neck, hands, feet, and external genitalia measuring 20.1 to 30.0 cm. This code identifies a commonly performed minor surgical closure that uses layered techniques tailored to specified anatomic sites and moderate defect lengths. Nationally, accurate use of 12046 matters for consistent clinical documentation, appropriate billing of surgical services in ambulatory and outpatient settings, and aligning payment with the complexity of wound closure.

Key payers in scope include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of what the code represents, typical sites of service where it is performed, and the clinical context for using the code. The report also covers payer coverage considerations and common modifiers used with this procedure where available. Practical benchmarks, coding guidance, and any recent policy updates are summarized to help clinical and billing stakeholders understand positioning of 12046 relative to related surgical repair codes.

Data not available in the input: specific payer policies, associated taxonomies, and ICD-10 diagnosis pairings.

Billing Code Overview

CPT code 12046 describes an intermediate repair of superficial wounds to the neck, hands, feet, and/or external genitalia when the total defect size is 20.1 to 30.0 cm. This service represents a surgical wound closure procedure that involves layered closure techniques appropriate for superficial wounds of moderate length in specified anatomic sites.

Service type: Intermediate surgical wound repair
Typical site of service: Ambulatory surgical centers, hospital outpatient departments, and physician offices where minor surgical procedures are performed

Clinical Context

A 34-year-old male presents to the emergency department after a workplace laceration from broken glass to the dorsal aspect of the left hand. Examination reveals a 24-cm superficial wound involving skin and subcutaneous tissue without tendon, nerve, or vessel injury. The patient is tetanus-up-to-date, neurovascular status intact, and the wound is clean but requires layered closure. After local anesthesia and irrigation, an intermediate closure is performed using layered absorbable sutures in the subcutaneous layer and nonabsorbable interrupted sutures to the skin. Procedure documentation includes wound measurements (length 24 cm), anatomic site (left hand), anesthesia used, hemostasis, materials, and postoperative instructions.

Typical site of service: Emergency department or outpatient minor procedure/suture clinic. Service type: Intermediate repair of superficial wounds (layered closure) for neck, hands, feet, and external genitalia between 20.1 and 30.0 cm in length. Typical clinical workflow: triage and wound assessment → informed consent → anesthesia (local, field block) → irrigation and debridement as needed → layered closure (subcuticular/dermal absorbable sutures plus skin closure) → dressing and discharge with wound care instructions and follow-up.

Coding Specifications

Modifier	Description	When to Use
`23`	Unusual anesthesia	Use when general anesthesia is medically necessary for a procedure that is normally performed with local anesthesia.

Taxonomy Code	Specialty	Notes
207Q00000X	General Surgery	Commonly performs wound repairs in operative or ED settings.
207L00000X	Plastic Surgery	Frequently performs complex or cosmetically sensitive hand/neck/genital repairs.
208000000X	Emergency Medicine	Commonly performs intermediate repairs in the ED.
207RG0100X	Orthopedic Surgery (Hand Specialist)	Performs hand-specific repairs, especially with associated musculoskeletal injury.
163W00000X	Family Medicine	May perform intermediate wound repairs in outpatient clinics or urgent care.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`S61.212A`	Laceration without foreign body of left hand, initial encounter	Common presenting diagnosis for a left-hand laceration requiring intermediate repair.
`S31.312A`	Laceration without foreign body of left external genital organ, initial encounter	Represents external genital lacerations that may require intermediate repair.
`S11.221A`	Laceration without foreign body of neck, initial encounter	Neck lacerations in the specified anatomic region appropriate for `12046`.
`S91.312A`	Laceration without foreign body of right foot, initial encounter	Foot lacerations commonly treated with intermediate repair when wound length fits the code range.
`T81.31XA`	Disruption of external operation (surgical) wound, initial encounter	Relevant when wound dehiscence requires secondary or intermediate closure techniques.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`12031`	Repair, intermediate, wounds of scalp, arms, and/or legs; 2.6 cm to 7.5 cm	Used for intermediate repairs of smaller wounds on other anatomic sites when wound length is less than for `12046`.
`12041`	Repair, intermediate, wounds of neck, hands, feet, and/or external genitalia; 2.6 cm to 7.5 cm	Used for intermediate repair on same anatomic sites but for shorter wound lengths than `12046`.
`13160`	Secondary closure of surgical wound or dehiscence, extensive or complicated, requiring removal of devitalized tissue and extensive undermining or advancement or rotation; neck, hands, feet, or external genitalia	Performed when a wound requires more extensive reconstruction or closure of a dehisced wound beyond simple intermediate repair.
`12047`	Repair, intermediate, wounds of neck, hands, feet, and/or external genitalia; 30.1 cm to 60.0 cm	Used when the wound length exceeds the range for `12046` and requires coding at a higher length bracket.
`12050`	Repair, complex, trunk, arms, or legs; 1.1 cm to 2.5 cm (example of complex repair codes)	Represents more complex repair techniques; considered when deeper structures or more complex closures are required beyond intermediate repair.
`99024`	Postoperative follow-up visit, global period, typically included in global surgical package	Indicates routine postoperative care included in the global period for the repair; separate billing only under specific circumstances.

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Summary & Overview