Summary & Overview
HCPCS A2008: Theragenesis, Per Square Centimeter (Add-on)
HCPCS Level II code A2008 designates theragenesis billed per square centimeter as an add-on, separately reported in conjunction with a primary procedure. The code captures incremental therapeutic tissue generation or wound augmentation efforts that are quantified by area rather than by procedure episode. Nationally, accurate use of A2008 matters for correct clinical documentation, consistent claims submission, and appropriate recognition of additional resource use in complex wound care and reconstructive procedures.
Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare and Medicare. Readers will find a concise explanation of the code’s clinical intent and service context, an outline of typical sites of service, and a roadmap of coverage and billing considerations commonly examined by payers. The publication provides benchmarks and coding practice patterns where available, summarizes policy elements that affect add-on area-based services, and situates A2008 within clinical workflows for wound care and tissue regeneration.
This summary is intended for coding professionals, billing administrators, and clinical leaders seeking a compact national overview of HCPCS Level II code A2008, how it is used alongside primary procedures, and the payer landscape that shapes reimbursement and documentation expectations.
Billing Code Overview
HCPCS Level II code A2008 describes theragenesis billed per square centimeter as an add-on service that is reported separately in addition to a primary procedure. The service type is therapeutic tissue generation or wound care augmentation, and the typical site of service is procedural or outpatient wound care settings, including clinics or hospital outpatient departments where a primary procedure addressing tissue repair or wound management is performed.
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Clinical & Coding Specifications
Clinical Context
A typical patient is a 58-year-old with a chronic, refractory wound (e.g., diabetic foot ulcer or pressure ulcer) treated in an outpatient wound care center or hospital outpatient department. The wound care team, led by a wound care specialist or plastic surgeon, evaluates the lesion and documents wound size in square centimeters. After debridement and assessment, the team applies a biologic scaffold product delivered using theragenesis technology as an add-on, billed per square centimeter using A2008. The procedure is performed in an ambulatory surgery center, outpatient clinic, or inpatient operating room as an adjunct to the primary surgical or wound care procedure. Typical workflow: initial evaluation and wound measurement; primary procedure (debridement, excision, reconstruction) coded separately; application of theragenesis product measured in cm2 and reported with A2008 as an add-on; documentation includes product lot, area treated (cm2), technique, provider performing application, and clinical indication (e.g., non-healing wound, surgical bed coverage). Payors involved may include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, and Medicare for coverage and medical necessity review.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier / default |