CPT 61500 Cranial Bone Removal Reimbursement | OpenPayer

Summary & Overview

CPT 61500: Cranial Bone Removal for Tumor Resection

CPT code 61500 represents a cranial surgical procedure in which a surgeon removes a portion of the skull to access and excise a tumor or other abnormal skull growth. As a neurosurgical access and resection procedure, it is an important code for hospital surgical services, neurosurgical practices, and facility billing, with implications for operating room utilization, perioperative care, and post‑operative monitoring.

Key payers commonly involved in coverage decisions include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context and service setting, typical payer considerations, common modifiers, and related coding considerations. The publication outlines national benchmarks where available, highlights policy and coverage nuances pertinent to major payers, and summarizes clinical indications and typical sites of service for planning and billing workflows.

This summary is designed for revenue cycle, coding professionals, and clinical leaders who need a clear, national-level reference on CPT code 61500, including service definitions, payer coverage landscape, and the elements to consider for correct claim submission. Data not available in the input will be noted where applicable in detailed sections.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare61500CPTneurosurgerycraniotomytumor-resectionoperative-procedurehospital-surgeryambulatory-surgery

Billing Code Overview

CPT code 61500 describes a neurosurgical procedure in which a provider removes a small portion of skull bone (a craniectomy/craniotomy window) to access and remove a tumor or other abnormal growth of the skull. This procedure is a surgical neuro-oncology procedure aimed at lesion resection and intracranial access.

Service type: Surgical procedure — cranial bone removal for tumor or abnormal growth resection
Typical site of service: Inpatient or outpatient hospital operating room, or ambulatory surgical center depending on clinical acuity and institutional practice

Clinical & Coding Specifications

Clinical Context

A 54-year-old patient presents with progressive focal headaches and a palpable, tender cranial mass over the right parietal region. Neuroimaging (CT and MRI with contrast) demonstrates a 3.2 cm extra-axial enhancing lesion arising from the calvarium consistent with a suspected primary skull tumor (e.g., osteoma, osteosarcoma) or metastasis with focal bone destruction. The neurosurgery team schedules a craniectomy to excise the involved bone and obtain diagnostic tissue. Preoperative workup includes history and physical, labs (CBC, coagulation panel), cross-match as indicated, and anesthesia assessment.

On the day of service the patient undergoes general endotracheal anesthesia. The surgeon performs a tailored skin incision, dissection to the skull, and removal of a bone flap or a targeted osseous window to access and resect the lesion. Frozen section pathology may be obtained intraoperatively. Hemostasis is achieved and the defect is reconstructed with autologous bone or alloplastic cranioplasty material when indicated. Postoperative care includes neurocritical monitoring, pain control, and imaging to confirm adequate resection.

Typical site of service: Inpatient hospital or ambulatory surgery center with neurosurgical operating suite. Service type: Surgical — craniectomy for excision of skull lesion.

Typical patient scenario: Adult with localized skull tumor or destructive calvarial lesion causing pain, cosmetic deformity, neurological symptoms, or diagnostic uncertainty, requiring removal of a portion of skull bone for tumor excision and pathologic diagnosis.

Coding Specifications

Modifier	Description	When to Use

CPT 61345: Posterior Fossa Decompression (Suboccipital Craniectomy)

CPT-61512-CRANIOTOMY-SUPRATENTORIAL-MENINGIOMA-EXCISION

CPT 61512: Craniotomy for Supratentorial Meningioma Excision

CPT-61314-NEUROSURGICAL-HEMATOMA-EVACUATION-BURR-HOLES

CPT 61314: Neurosurgical Hematoma Evacuation, Burr Holes

CPT-61552-CRANIAL-VAULT-REMODELING

CPT 61552: Cranial Vault Remodeling Procedure

CPT-61323-DECOMPRESSIVE-CRANIECTOMY-PARTIAL-BRAIN-RESECTION-DURAPLASTY

CPT 61323: Decompressive Craniectomy with Partial Brain Resection and Duraplasty

CPT-61571-INTRACRANIAL-FOREIGN-BODY-REMOVAL-BRAIN-WOUND-REPAIR

CPT 61571: Intracranial Foreign Body Removal and Brain Wound Repair

CPT-61546-PITUITARY-TUMOR-RESECTION-CRANIOTOMY

CPT 61546: Craniotomy for Pituitary Tumor Resection

CPT-61545-CRANIOTOMY-CRANIOPHARYNGIOMA-RESECTION-SELLAR-SUPRASELLAR

CPT 61545: Craniotomy for Craniopharyngioma Resection

CPT-61550-CRANIAL-VAULT-RESHAPING-SKULL-SUTURE-REPAIR

CPT 61550: Cranial Vault Reshaping for Skull Suture Abnormality

CPT-61458-POSTERIOR-CRANIAL-EXPLORATION-CRANIAL-NERVE-DECOMPRESSION

CPT 61458: Posterior Cranial Exploration and Cranial Nerve Decompression

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Taxonomy Code	Specialty	Notes
2086S0001X	Neurosurgery	Primary specialty performing craniectomy for skull tumor removal.
208D00000X	Neurological Surgery (general)	Neurosurgeons with hospital-based operative practice.
207RC0000X	Otolaryngology - Head & Neck Surgery	May be involved for skull base lesions requiring combined approaches.
207L00000X	Plastic and Reconstructive Surgery	Often performs cranioplasty or reconstruction of the calvarial defect.
2084P0800X	Pain Medicine	Provides perioperative pain management and regional anesthesia consultation when indicated.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`C41.0`	Malignant neoplasm of bones of skull and face	Primary malignant calvarial tumors requiring bone resection.
`D16.1`	Benign neoplasm of skull and face bones	Common benign calvarial lesions (eg, osteoma) for which partial skull removal may be indicated.
`C79.31`	Secondary malignant neoplasm of brain and cerebral meninges	Metastatic lesions involving calvarium and adjacent intracranial structures prompting bone removal.
`M85.8`	Other specified disorders of bone density and structure	Includes localized bone disorders causing destructive calvarial lesions necessitating resection.
`S02.91`	Unspecified fracture of skull and facial bones	Pathologic or non-healing fractures of the skull that require operative debridement and resection.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`61304`	Craniectomy, supratentorial; with excision of meningioma, intracranial	Performed when an intracranial extension or dural-based tumor requires resection in addition to calvarial bone removal.
`61520`	Craniectomy or craniotomy for access to posterior fossa	Used if lesion extends toward posterior fossa requiring expanded exposure beyond a localized calvarial window.
`21360`	Open treatment of cranial/skull fracture, including internal fixation	May be used when skull defect requires open repair and fixation of bone fragments concurrent with tumor removal.
`62140`	Stereotactic radiosurgery plan or cranial stereotactic localization	May be part of the perioperative workflow for lesions requiring combined surgical and stereotactic approaches.
`69990`	Microsurgical techniques, requiring use of operating microscope	Charged when specialized operative microscope is used during delicate resection and reconstruction.
`21248`	Reconstruction of calvarial defect with bone graft or allograft	Billed when formal cranioplasty with grafting is performed at the time of or following `61500`.

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