Summary & Overview
CPT 21400: Orbital Fracture Assessment and Conservative Treatment
CPT code 21400 represents evaluation and nonmanipulative treatment of an orbital fracture — the bony socket around the eye — typically following blunt force trauma without a blowout fracture. Nationally, this code is used across emergency departments, urgent care, and outpatient surgical or ophthalmology clinics to document conservative management and follow-up care for orbital fractures when no operative fixation or manipulation is performed.
Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find clinical context for when CPT code 21400 applies, typical sites of service, and the operational implications for billing and coding teams. The report summarizes common use cases, payer coverage considerations, and where CPT code 21400 fits relative to operative orbital fracture procedures.
The publication provides national benchmarks and policy context for coding orbital fractures nonoperatively, guidance on documenting clinical findings that support use of the code, and a primer on related service lines and follow-up care pathways. Data limitations: Data not available in the input for detailed payer-specific reimbursement rates, associated ICD-10 diagnoses, and related codes.
Billing Code Overview
CPT code 21400 describes assessment and nonmanipulative treatment of an orbital fracture — an injury to the bony socket surrounding the eye, typically from blunt force trauma that does not result in a blowout fracture. The service focuses on evaluation, stabilization, and nonsurgical management without bone manipulation or open repair.
-
Service type: Fracture assessment and conservative treatment
-
Typical site of service: Emergency department, urgent care, or outpatient surgical/ophthalmology clinic where initial fracture evaluation and conservative care are performed
Clinical & Coding Specifications
Clinical Context
A Thirty-year-old male presents to the emergency department after a handheld softball struck his left orbit during a recreational game. He reports periorbital swelling, localized pain, diplopia on upward gaze, and difficulty opening the eyelid. Physical exam demonstrates tenderness over the infraorbital rim without enophthalmos or evidence of an orbital blowout involving the orbital floor. Facial CT without contrast confirms a non-displaced fracture of the left orbital rim. The facial trauma surgeon documents that the fracture can be managed without anesthetic closed manipulation or open reduction and that the patient does not require ophthalmologic repair of orbital contents. The provider performs clinical fracture assessment, local wound care, pain control, instructions for activity restriction, and schedules outpatient follow-up for repeat imaging and ophthalmology evaluation.
This procedure is typically performed in an emergency department, urgent care, or outpatient surgical clinic setting. Workflow includes triage and trauma evaluation, focused ocular and facial exam, imaging (plain radiographs or CT), fracture assessment by an appropriate specialist (e.g., oral and maxillofacial surgeon, plastic and reconstructive surgeon, otolaryngologist, or ophthalmic plastic surgeon), documentation that no manipulation or reduction was performed, provision of conservative management, and arrangement for follow-up care.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier listed (default) |