Summary & Overview
HCPCS Level II Q4250: Amnioamp-mp, Per Square Centimeter
HCPCS Level II code Q4250 identifies amnioamp-mp, a per-square-centimeter amniotic membrane product billed as an add-on in addition to a primary procedure. The code matters nationally as use of biologic grafts and tissue-derived products grows across surgical specialties for wound management, soft-tissue repair, and regenerative adjuncts. Accurate coding ensures capture of product utilization and supports consistent claims processing for add-on supplies used during procedures.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an explanation of the clinical context for Q4250, standard sites of service, and the role of this code as an add-on charge. The publication reviews common modifiers associated with add-on supply reporting and how payers typically interpret add-on HCPCS items. It also provides benchmarks and practical billing considerations such as documentation needs to link the product to a primary procedure, coding pitfalls, and reconciliation of supply charges on the service line.
This summary offers national-level guidance on when and why Q4250 is billed, typical payer coverage contours, and what billing teams should verify on claims to improve accuracy and reduce denials. Data not available in the input.
Billing Code Overview
HCPCS Level II code Q4250 describes Amnioamp-mp, billed per square centimeter as an add-on item to be listed separately in addition to a primary procedure. The code represents a biologic graft material derived from amniotic membrane used to augment wound or surgical site repair.
Service Type: Biologic graft application / surgical adjunct
Typical Site of Service: Operating room or outpatient surgical/procedural setting, including hospital outpatient departments and ambulatory surgery centers where a primary surgical procedure is performed.
Clinical & Coding Specifications
Clinical Context
An obstetric or maternal-fetal medicine team performs an amniotic membrane product application (Q4250) as an add-on to a primary surgical or procedural wound repair procedure. A typical patient is a pregnant or postpartum individual who develops a persistent or non-healing amniotic membrane–appropriate wound after cesarean section, pelvic surgery, or obstetric laceration repair. The clinical workflow begins with assessment in the operating room or procedure suite by an obstetrician-gynecologist or maternal-fetal medicine specialist. The primary surgical procedure (for example, wound revision or debridement) is performed first; the amniotic membrane product is then measured and applied to the wound bed, secured per surgeon preference, and documented as an adjunctive biologic dressing billed with Q4250 per square centimeter. Inpatient recovery or outpatient follow-up is arranged to monitor graft take, signs of infection, and wound healing, with dressing changes and wound assessments documented in the medical record.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier—default | Use when no other modifier applies to the service. |