CPT® Code 12007

Quick Reference

• Code definition: CPT 12007 reports simple repair of superficial wounds (single-layer closure of epidermis, dermis, or subcutaneous tissue) on the scalp, neck, axillae, external genitalia, trunk, or extremities including hands and feet, where the total summed wound length exceeds 30.0 cm.
• Key billing rule: MUE is 1 per date of service. All qualifying wounds from this anatomic group must have their lengths summed into one code; billing multiple codes from the 12001-12007 series for the same session is NCCI unbundling [5].
• Modifier essentials: Modifier 25 is required when billing a same-day E/M. Modifier 51 applies when a repair of different complexity (intermediate or complex) is also performed in the same session. Modifier 50 does NOT apply; bilateral wounds are length-summed, not billed at 150% [1][2].
• Documentation must-have: The record must state the measured length in centimeters for each individual wound and confirm that closure was single-layer with no deep structure (muscle, tendon, fascia) involvement.
• Top confusion point: Coders frequently report multiple smaller codes (e.g., 12004 and 12005) for wounds repaired in the same session instead of summing lengths and reporting one code. This is NCCI unbundling.
• Global period is zero days: Unlike intermediate repair codes (Global 010), CPT 12007 carries no postoperative global period. Follow-up visits and suture removal are separately reportable, and a same-day E/M for a separate problem is billable with Modifier 25 [2][3].
• Co-surgery permitted: CMS data confirms co-surgeons (Modifier 62) can be paid for CPT 12007 with supporting documentation, applicable when extensive multi-site repairs require two surgeons simultaneously [2].

When to Use This Code

CPT 12007 is appropriate when the sum of all simple repairs performed in a single session on the scalp, neck, axillae, external genitalia, trunk, or extremities exceeds 30.0 cm. Three conditions must be met simultaneously: the wounds are superficial (epidermis, dermis, or subcutaneous tissue only), closure is single-layer, and the anatomic sites fall within this grouping.

Common clinical presentations include multiple lacerations from motor vehicle accidents, large post-Mohs or excision closures, animal bite repairs after debridement, and degloving injuries where the wound is superficial in depth but large in surface area. Settings include the emergency department, office surgery suite, urgent care centers, and ambulatory surgery centers.

Scope boundaries:

• Wounds on the face, ears, eyelids, nose, lips, or mucous membranes are NOT included in this series; those belong to the 12011-12018 series, and their lengths must be tracked separately.
• If the wound involves muscle, tendon, or fascia, or requires layered closure, the repair is at minimum intermediate (12031-12037).
• Heavy contamination requiring extensive cleaning and debridement escalates the repair to intermediate regardless of closure technique.
• The code does not require a single wound measuring more than 30 cm; three 11 cm wounds on the trunk sum to 33 cm and correctly land on 12007.

Acceptable closure methods: sutures (absorbable or nonabsorbable), staples, tissue adhesive such as Dermabond, or any combination of these with or without adhesive strips. Adhesive strips alone, chemical cautery alone, or electrocautery alone are NOT reportable as wound repair; they are bundled into the E/M service [1].

Code Differentiation Table

The critical differentiator between 12007 and 12037 is documentation of closure technique and wound condition, not wound size. A 35 cm clean laceration closed in one layer is 12007. A 35 cm wound requiring suturing of the subcutaneous layer before skin closure is 12037. Auditors will downcode 12037 to 12007 when the operative note documents only skin-level closure [1].

flowchart TD
    A[Wound on scalp, neck, axillae, genitalia, trunk, or extremity?] -->|No| B[Use face series 12011-12018 or other code]
    A -->|Yes| C[Layered closure or extensive contamination?]
    C -->|Yes| D[Intermediate: 12031-12037]
    C -->|No| E[Sum all simple wound lengths in this group]
    E --> F{Total length}
    F -->|Over 30.0 cm| G[CPT 12007]
    F -->|20.1 to 30.0 cm| H[CPT 12006]
    F -->|12.6 to 20.0 cm| I[CPT 12005]
    F -->|7.6 to 12.5 cm| J[CPT 12004]
    F -->|2.6 to 7.5 cm| K[CPT 12002]
    F -->|2.5 cm or less| L[CPT 12001]

Billing and Modifier Rules

MUE and unit rule: CMS assigns an MUE of 1 to CPT 12007. Only one unit may be billed per date of service. All wound lengths qualifying for the 12001-12007 series must be summed; billing 12006 and 12007 on the same date for the same patient is an NCCI violation [5].

Modifier usage:

Modifier 50 does not apply. CMS bilateral indicator is 0 for this code. Bilateral wounds in the same anatomic group are length-summed; the 150% bilateral payment adjustment is not available [2].

Bundled services: Local anesthesia is included in wound repair codes and is not separately reportable. Wound debridement (97597, 97598) performed at the same wound site in preparation for closure is integral to the repair under NCCI policy. Debridement is separately reportable only when performed on a distinct wound that is not being surgically closed [4].

Global period contrast:

This distinction directly affects billing strategy: a patient returning three days after a simple repair can have that visit billed separately. A return visit within the global period of an intermediate repair of the same wound length cannot.

Documentation Essentials

Required elements for a supportable 12007 claim:

• Anatomic location of each wound with the specific site (left forearm, posterior trunk, scalp)
• Individual wound length in centimeters and the summed total; when multiple wounds are combined, both per-wound measurements and the aggregate must appear in the record
• Wound depth confirmed as superficial, with explicit documentation that muscle, tendon, and fascia were not involved
• Closure technique: suture type and size, staples, or tissue adhesive; confirm single-layer approach
• Wound condition: contamination level characterized as clean or minimally contaminated; document foreign body removal if applicable
• Mechanism of injury: supports medical necessity and wound complexity assessment
• Local anesthetic type and amount (included in the procedure; not separately billable)

Audit red flags for 12007 specifically:

• Total wound length not documented; auditors cannot verify the over-30-cm threshold without recorded measurements
• No documentation of wound depth; describing only a "skin laceration" without commenting on subcutaneous or deeper structures leaves the complexity determination unsupported
• Layered closure described in the operative note while billing a simple repair code; this triggers an automatic upgrade to intermediate on audit
• Multiple same-series codes (e.g., 12005 and 12006) billed on the same date for the same anatomic group, indicating lengths were not summed before code selection

Medicare, Commercial and Medicaid Payer Rules

Medicare:

CPT 12007 carries Global 000 status per the CMS Physician Fee Schedule, Type of Service 2 (Surgery), and BETOS P5A (Ambulatory procedures, skin) [2]. It appears on the ASC approved procedure list with payment based on OPPS relative payment weight, making it reimbursable in ambulatory surgery center settings. No NCD or CMS-specific code substitution applies.

CMS enforces the MUE of 1 through automated claim edits; billing more than one unit on a single date results in automatic denial [5]. Under CMS Global Surgery rules, the 0-day global package for 12007 includes only the procedure itself and related services provided on the same day [3].

No local coverage determination specific to CPT 12007 was identified in this research; coverage is presumed under medical necessity for lacerations, traumatic wounds, and post-excision closures. Verify with the applicable MAC for any regional LCD affecting wound repair in your jurisdiction.

Commercial payers:

No payer-specific policy exceptions were identified in the research for commercial plans. Standard NCCI and AMA CPT guidelines apply. When reporting alongside an E/M code, Modifier 25 requirements mirror Medicare policy. Verify prior authorization requirements for large wound repairs in elective or non-emergent settings with individual payers.

Common Denials and Prevention

Denial: Unbundling (NCCI violation) Multiple codes from the 12001-12007 series are billed on the same date for wounds in the same anatomic group. The root cause is failure to sum wound lengths before code selection. Prevention: document each wound length individually, sum all simple repairs in the scalp-neck-axillae-genitalia-trunk-extremity group, then select one code from the series. On appeal, cite AMA CPT wound repair guidelines documenting the length summation rule [1].

Denial: Insufficient documentation for wound length threshold A claim for 12007 is denied or downcoded because the record does not contain measured wound lengths. Prevention: the operative or ED note must record individual wound lengths in centimeters and a stated total when multiple wounds are combined.

Denial: E/M bundled without Modifier 25 Same-day E/M is denied because Modifier 25 was not appended and the payer applied automatic bundling with the surgical procedure. Prevention: always append Modifier 25 to the E/M when it is separately documented and supports a distinct or significant evaluation beyond wound management [2].

Denial: Claim upgraded to intermediate on audit An auditor reviews the operative note and finds documentation of subcutaneous layer closure or extensive debridement, then recodes the claim to 12037. Prevention: if the repair genuinely required layered closure, bill 12037 with supporting documentation at the time of service. If the repair was truly single-layer and the note language is ambiguous, clarify documentation with the provider before submission.

Coding Scenarios

Scenario: A patient presents to the ED after a motor vehicle accident with three lacerations on the trunk: 12 cm, 11 cm, and 10 cm. All wounds are confirmed superficial (dermis only) with no deep structure involvement. The emergency physician performs single-layer suture closure of all three wounds. An evaluation for chest contusion is separately documented in the ED record.

Correct coding: 12007 plus 99284-25

Why: The three trunk wounds sum to 33 cm, placing them above the 30.0 cm threshold. All are simple complexity and the same anatomic group (trunk), so lengths are summed into one code. Modifier 25 is required on the ED E/M because it documents a separately identifiable evaluation for a distinct complaint [1][2].

Scenario: A patient has a 32 cm simple repair on the back (trunk) and a 4 cm intermediate repair on the left forearm requiring layered closure of subcutaneous tissue and skin in the same session.

Correct coding: 12007 plus 12032-51

Why: Simple and intermediate repairs are different complexity levels and are coded separately; their lengths are never combined. The 32 cm trunk repair codes as 12007; the 4 cm forearm intermediate repair codes as 12032. Modifier 51 is appended to 12032 as the lower-value procedure [1].

Scenario: A patient has a 14 cm laceration on the cheek (face group) and a 20 cm laceration on the left arm (extremity group), both simple single-layer closures in the same session.

Correct coding: 12013 plus 12005

Why: Face and extremity wounds belong to separate anatomic series with separate length summations. The 14 cm cheek laceration codes to 12013 (face series, 12.6 to 20.0 cm); the 20 cm arm laceration codes to 12005 (trunk and extremity series, 12.6 to 20.0 cm). Combining both totals to reach 34 cm and billing 12007 would be incorrect [1].

Scenario: A patient has a 31 cm superficial wound on the back closed with tissue adhesive alone.

Correct coding: 12007

Why: Tissue adhesive is a recognized, separately reportable closure method under AMA CPT guidelines, equivalent to suture repair for code selection purposes. The wound length exceeds 30.0 cm on the trunk (within the 12007 anatomic group) and depth is superficial. Documentation must state "tissue adhesive, single layer" as the closure method [1].

Related Codes

• 12001: Simple repair, same anatomic group; 2.5 cm or less. Entry-level code in the series.
• 12002: Simple repair, same group; 2.6 to 7.5 cm.
• 12004: Simple repair, same group; 7.6 to 12.5 cm.
• 12005: Simple repair, same group; 12.6 to 20.0 cm.
• 12006: Simple repair, same group; 20.1 to 30.0 cm. Immediately precedes 12007.
• 12037: Intermediate repair, scalp/axillae/trunk/extremities; over 30.0 cm. Required when layered closure or extensive decontamination is documented; Global 010.
• 12018: Simple repair, face/ears/eyelids/nose/lips/mucous membranes; over 30.0 cm. Parallel ceiling code for the face anatomic series.
• 97597: Debridement, open wound; first 20 sq cm. Separately reportable only when performed on a distinct wound not being closed in the same session.

Sources {#sources}

1. AMA CPT 2025 Code Set, Wound Repair Section — American Medical Association — Official CPT descriptors, wound repair general guidelines, complexity classification, length summation rules, and acceptable closure methods.

2. CMS Physician Fee Schedule — Centers for Medicare and Medicaid Services — Global days, bilateral indicator, MUE, co-surgery indicator, ASC status, and BETOS designation for CPT 12007. Database-verified: Global 000, MUE 1, bilateral indicator 0, co-surgery indicator 1.

3. CMS Global Surgery Booklet (MLN ICN 907166) — CMS Medicare Learning Network — Global surgical package rules; defines services included in 0-day and 10-day global periods.

4. CMS NCCI Policy Manual, Integumentary System Chapter — Centers for Medicare and Medicaid Services — NCCI bundling rules for wound debridement, local anesthesia, and E/M services in relation to wound repair codes.

5. CMS NCCI Edit Files, PTP and MUE Quarterly Tables — Centers for Medicare and Medicaid Services — MUE values and NCCI edit pairs for CPT 12007; MUE of 1 confirmed via internal database.