C1737 Sacroiliac/Pelvic Fusion Device HCPCS Reimbursement | OpenPayer

Summary & Overview

HCPCS Level II C1737: Sacroiliac and Pelvic Joint Fusion Implantable Device

HCPCS Level II code C1737 designates an implantable joint fusion and fixation system for the sacroiliac joint and pelvis, encompassing all system components. The code is relevant to surgical episodes involving sacroiliac fusion — a growing area of spine and pelvic orthopedic practice — and affects device procurement, hospital supply management, and payer coverage decisions nationwide. Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Readers will find a concise overview of clinical context for sacroiliac fusion devices, common sites of service where C1737 is used, and where this HCPCS Level II code fits in procedure and device billing workflows. The publication summarizes payer coverage patterns, coding and billing considerations, and benchmark-oriented metrics where available. Policy updates and reimbursement-related guidance at the national level are highlighted to inform billing, coding, and revenue cycle teams. The content is intended to support administrators, coders, and clinicians in understanding how C1737 is classified and used in claims for implantable sacroiliac and pelvic fusion systems.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareC1737HCPCS Level IIsacroiliac fusionpelvic fixationimplantable deviceorthopedic devicespine surgeryambulatory surgery centerhospital billing

Billing Code Overview

HCPCS Level II code C1737 represents joint fusion and fixation device(s), sacroiliac and pelvis, including all system components (implantable). This device code covers implantable systems used to achieve fusion and provide fixation for the sacroiliac joint and pelvic bones.

Service type: implantable orthopedic device for sacroiliac/pelvic fusion.

Typical site of service: inpatient or outpatient surgical settings, including hospital operating rooms and ambulatory surgery centers, where orthopedic or spine surgeons perform sacroiliac joint fusion procedures.

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 54-year-old patient with chronic low back and buttock pain refractory to conservative measures (physical therapy, oral analgesics, and image-guided sacroiliac joint injections) presents for surgical stabilization. Imaging (CT and MRI) demonstrates sacroiliac joint degeneration with joint instability and pain provocation tests correlate clinically. The orthopedic spine surgeon schedules a sacroiliac joint fusion using implantable fixation devices designed for sacroiliac and pelvic fusion. Typical workflow: preoperative evaluation with medical clearance and informed consent; pre-op antibiotic prophylaxis; intraoperative fluoroscopic guidance for device placement; implantation of C1737 devices (including screws, cages, connectors and instrumentation as part of the system); intraoperative monitoring as indicated; postoperative recovery with pain control, wound care instructions, and a structured rehabilitation plan. Typical site of service is an inpatient or ambulatory surgery center (hospital outpatient or ASC) depending on patient comorbidity and payer authorization. Postoperative follow-up includes wound check, radiographic confirmation of hardware position, and progressive weight-bearing guidance.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services	Use when work or complexity substantially exceeds typical for sacroiliac fusion and documentation supports additional work.

HCPCS C1819: Implantable Surgical Tissue Localization and Excision Device

HCPCS-C1889-IMPLANTABLE-DEVICE-NONCLASSIFIED

HCPCS C1889: Implantable/Insertable Device, Not Otherwise Classified

HCPCS-C7522-CORONARY-ANGIOGRAPHY-WITH-CFR-AND-RIGHT-HEART-CATHETERIZATION

HCPCS C7522: Coronary Angiography with CFR and Right Heart Catheterization

HCPCS-C7516-CORONARY-ANGIOGRAPHY-WITH-IVUS-OCT

HCPCS C7516: Coronary Angiography with IVUS/OCT

HCPCS-C5276-LOW-COST-SKIN-SUBSTITUTE-APPLICATION-UP-TO-100-SQ-CM

HCPCS C5276: Low Cost Skin Substitute Graft Application, Up to 100 sq cm

HCPCS-C9140-FACTOR-VIII-AFSTYLA-INJECTION-1-IU

HCPCS C9140: Injection, Factor VIII (Afstyla), 1 I.U.

HCPCS-C9784-ENDOSCOPIC-SLEEVE-GASTROPLASTY

HCPCS C9784: Endoscopic Sleeve Gastroplasty with EGD

HCPCS-C9135-FACTOR-IX-ALPROLIX-RECOMBINANT-PER-IU

HCPCS C9135: Factor IX (alprolix), Recombinant, Per I.U.

HCPCS-C8007-HYPOGLOSSAL-NERVE-NEUROSTIMULATOR-IMPLANTATION-OPEN

HCPCS C8007: Open Hypoglossal Nerve Neurostimulator Implantation

HCPCS-C9113-INJECTION-PANTOPRAZOLE-SODIUM-PER-VIAL

HCPCS C9113: Injection, Pantoprazole Sodium, Per Vial

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Taxonomy Code	Specialty	Notes
207XS0102X	Orthopedic Surgery	Primary specialty performing sacroiliac and pelvic fusion procedures.
2080P0222X	Physical Medicine & Rehabilitation	May participate in perioperative and postoperative care and rehabilitation planning.
2084P0800X	Pain Medicine	Commonly involved preoperatively for diagnostic injections and non-operative care; may co-manage pain postoperatively.
2085R0205X	Interventional Pain Management	Performs diagnostic/therapeutic SI injections and may refer for surgical management.
208D00000X	General Surgery (if applicable)	Occasionally involved when pelvic approach requires general surgery involvement.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`M46.1`	Sacroiliitis, not elsewhere classified	Inflammatory or degenerative sacroiliac joint disease causing pain and dysfunction that may prompt fusion.
`M46.8`	Other specified inflammatory spondylopathies	Includes conditions affecting sacroiliac joint stability and may lead to fusion.
`M48.07`	Spinal stenosis, lumbar region with neurogenic claudication (if extension involves lumbosacral junction)	Coexisting pathology influencing surgical planning for pelvic fixation.
`M51.17`	Intervertebral disc disorders with radiculopathy, lumbosacral region	May coexist with SI joint pain and be addressed in combined procedures.
`M53.2X`	Spinal instabilities (sacroiliac instability)	Direct indication for stabilization and fusion using implantable devices.
`M25.55`	Pain in hip	Referred pain pattern that may overlap with sacroiliac joint pathology and indicate need for SI fusion evaluation.
`M96.1`	Postlaminectomy syndrome, not elsewhere classified	Prior lumbar surgery with adjacent segment or pelvic issues resulting in SI joint degeneration considered for fusion.
`M54.5`	Low back pain	Common presenting symptom leading to investigation and diagnosis of sacroiliac joint pathology requiring fusion.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`27279`	Arthrodesis, sacroiliac joint, including obtaining bone graft, includes internal fixation when performed, posterior or posterolateral technique	Common primary CPT for sacroiliac joint fusion; often reported for the surgical arthrodesis procedure when performed in addition to device billing.
`22845`	Anterior instrumentation; 2-3 vertebral segments	Used if supplemental pelvic or lumbosacral fixation spanning adjacent segments is performed during the same operative session.
`20930`	Allograft, morselized, or placement of osteopromotive material with permission for spine or pelvis	Reported when bone graft material is placed as part of fusion procedure adjunctively.
`27096`	Arthrotomy, sacroiliac joint, with or without cartilage debridement	Performed when direct joint preparation or debridement is required prior to implantation.
`72020`	Radiologic examination, sacroiliac joint, 2-3 views	Performed for intraoperative or postoperative imaging to confirm hardware placement and alignment.
`99024`	Postoperative follow-up visit, included in global period (for reporting when separate)	Used to report post-op visits when payer allows separate billing outside the global surgical package.

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