Summary & Overview
HCPCS Level II Q4363: Amnio Membrane Application, Per Square Centimeter
HCPCS Level II code Q4363 designates an add-on supply code for amnio burgeon membrane and hydromembrane billed per square centimeter when used in conjunction with a primary surgical procedure. This code matters nationally as use of biologic and amniotic-derived membranes grows across surgical specialties for wound coverage, tissue repair, and regenerative adjuncts; accurate coding affects claim adjudication and the tracking of utilization for clinical and payer policy decisions. Key payers in the national landscape include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what the code represents, typical sites of service, and the typical clinical context for application. The publication summarizes which payers are considered in benchmarking, common modifier practice patterns (listed separately), and the implications for coding consistency and billing workflows. Topics covered include clinical indications for membrane use, coding and billing considerations for add-on supply codes, typical reimbursement and coverage considerations at a high level, and areas where further payer-specific policy review is often needed. Data not provided in the input are identified as such; the piece focuses on clear national-level guidance and context rather than state-specific rules.
Billing Code Overview
HCPCS Level II code Q4363 describes amnio burgeon membrane and hydromembrane, per square centimeter (add-on, list separately in addition to primary procedure). The code represents an add-on surgical supply or biologic membrane application used to augment or repair tissue surfaces during procedures involving amniotic-derived membranes.
Service Type: Surgical adjunct / biologic membrane application
Typical Site of Service: Operating room or procedure suite
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A pregnant patient presents to an obstetric clinic or hospital for evaluation of suspected premature rupture of membranes, oligohydramnios, or membrane abnormality following ultrasound or clinical exam. A maternal-fetal medicine specialist, obstetrician, or surgical team documents the need for membrane tissue measurement or manipulation (for example, amnio burseon membrane and hydromembrane assessment) that is billed as an add-on per square centimeter using Q4363. Typical workflow: initial clinical assessment and ultrasound in an outpatient obstetrics clinic or prenatal imaging center, diagnostic confirmation of amniotic membrane pathology, informed consent, and scheduling for a procedure performed in an outpatient ambulatory surgery center, hospital outpatient department, or labor and delivery suite. During the procedure the provider measures and documents the area in square centimeters to report Q4363 as an add-on code along with the primary obstetric procedure (for example, membrane repair, amniotomy, or cesarean delivery) and appropriate ICD-10 diagnoses reflecting membrane rupture, chorioamnionitis, or oligohydramnios. Post-procedure monitoring occurs in the recovery area or inpatient postpartum unit as indicated by maternal–fetal status.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier (standard) |