Summary & Overview
HCPCS Q4187: Epicord graft, per square centimeter (add-on)
HCPCS Level II code Q4187 denotes Epicord graft material billed per square centimeter as an add-on to a primary surgical procedure. Reporting this code identifies use of a biologic graft product during operative care and is important for accurate clinical documentation, inventory tracking, and payer reimbursement processing. Nationally, add-on supply and biologic graft codes influence hospital and ambulatory surgery center reporting and aggregate spending on advanced biologic materials.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical context for Epicord use, common billing practices for add-on biologic grafts, and the typical sites of service where Q4187 is applied. The publication outlines benchmark topics such as coding guidance for add-on materials, payer coverage considerations, and documentation elements that support use of the code.
The piece is intended to give revenue-cycle and clinical leaders a concise reference on what Q4187 represents, which payers commonly adjudicate claims for biologic grafts, and which operational and billing topics to prioritize when Epicord is used in surgical care. Data not available in the input will be noted where applicable.
Billing Code Overview
HCPCS Level II code Q4187 represents Epicord, billed per square centimeter as an add-on, listed separately in addition to the primary procedure. This code is used when Epicord graft material is applied during a surgical procedure and reported in addition to the main procedure code.
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Service type: Biological graft application
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Typical site of service: Operating room, hospital outpatient department, ambulatory surgery center
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Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with a full-thickness or complex partial-thickness wound (for example, a non-healing surgical dehiscence, chronic lower-extremity ulcer, or traumatic soft-tissue loss) requiring biologic graft coverage. The clinician selects Q4187 (Epicord, per square centimeter) as an add-on supply code to bill the per-square-centimeter cost of a processed human placental membrane graft placed at the wound bed. The workflow includes wound assessment, debridement in the clinic or operating room, measurement of the defect in square centimeters, selection and preparation of the Epicord graft to size, placement of the graft to cover the wound, and application of an appropriate dressing. The service may be performed in an outpatient wound clinic, ambulatory surgery center, emergency department, or hospital operating room depending on wound complexity and patient comorbidities. Documentation includes wound dimensions, indication for biologic graft, description of debridement and graft placement, number of square centimeters used, and any concurrent primary procedure or dressing application for which the add-on code is reported.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
52 | Reduced services | Use when the Epicord application is partially reduced or not performed to full extent documented. |