Summary & Overview
CPT 61550: Cranial Vault Reshaping for Skull Suture Abnormality
CPT code 61550 represents a cranial vault surgical procedure in which the surgeon makes an incision over an affected cranial suture and reshapes skull bone to restore an anatomically appropriate position. This code is used for operations addressing abnormal cranial sutures and skull deformities and is relevant for pediatric craniofacial surgery and neurosurgical practices. Nationally, accurate coding affects hospital surgical case mix reporting, payer reimbursement, and clinical outcome tracking for cranial reconstruction procedures.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of coding context, typical sites of service, and common billing modifiers. The publication summarizes clinical context for cranial vault remodeling and outlines what stakeholders can expect in benchmarking and policy considerations related to surgical cranial procedures. Where input data are incomplete, the report notes that specific items are not available in the input.
This summary equips billing managers, surgical schedulers, coding professionals, and policy analysts with concise information on clinical intent, administrative implications, and the national payer landscape for CPT code 61550. The full publication provides benchmarks, policy updates, and clinical context to support accurate use of this code.
Billing Code Overview
CPT code 61550 describes a cranial surgical procedure in which the surgeon makes an incision through the skull over an affected cranial suture and reshapes the skull bone to an anatomically appropriate position. This procedure addresses abnormal cranial sutures and involves direct access to the skull bone for remodeling.
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Service type: Surgical cranial bone reshaping (cranial vault remodeling)
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Typical site of service: Inpatient operating room or ambulatory surgical center, depending on patient age and clinical complexity
Clinical & Coding Specifications
Clinical Context
A typical patient is an infant or young child presenting with abnormal skull shape and premature fusion of one or more cranial sutures (craniosynostosis), most commonly sagittal, coronal, metopic, or lambdoid. The child is evaluated by a pediatric neurosurgeon and craniofacial/plastic surgeon after referral from primary care or pediatrics following detection of an asymmetric or misshapen head, increasing intracranial pressure signs (vomiting, irritability, developmental delay), or for cosmetic/structural correction. Preoperative workup includes cranial imaging (CT with 3D reconstruction), ophthalmologic assessment, and anesthesia evaluation. In the operating room, under general anesthesia, the surgical team performs a craniotomy with incision over the affected suture, excision or release of the fused suture, and reshaping/advancement of cranial bones to an anatomically appropriate position. Postoperative care includes ICU or pediatric step-down monitoring for airway and neurologic status, pain control, wound care, imaging as indicated, and outpatient follow-up for developmental and cosmetic outcomes. Typical site of service is an inpatient hospital operating room; the service type is an open cranial vault remodeling procedure performed by neurosurgery and/or craniofacial surgery teams.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when work required is substantially greater than typical for 61550 (document increased time, difficulty, or complications). |