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CPT 67400: Orbital Exploration and Biopsy

CPT code 67400 represents surgical exploration of the orbit without a bone flap, with inspection for tumors or abnormalities and biopsy of suspicious tissue. This procedure is clinically significant for diagnosing orbital masses and guiding oncologic or reconstructive treatment decisions. Nationally, accurate coding for 67400 affects surgical case mix reporting, coverage determinations, and payment for specialized ophthalmic and oculoplastic surgical services. Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical intent and service setting for 67400, plus guidance on common billing considerations and benchmarking topics often associated with orbital exploration and biopsy procedures. The publication reviews typical sites of service, common modifiers encountered for complex surgical scenarios, and the clinical context in which 67400 is used. It also highlights where data is not available in the input and points readers to areas for further payer-specific policy review and documentation requirements.

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Billing Code Overview

CPT code 67400 describes an operative procedure in which the provider incises and explores the orbit, the bony cavity that holds the eye, through an incision in the eye area, without creating a bone flap. The surgeon examines the orbital cavity for tumors or other abnormalities and obtains tissue samples of suspicious lesions for pathological analysis.

Service type: Surgical orbital exploration with biopsy
Typical site of service: Operating room or ambulatory surgical center, with possible inpatient setting depending on clinical complexity and patient needs

Data not available in the input for payers, taxonomies, and ICD-10 diagnoses.

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CPT 67400: Orbital Exploration and Biopsy

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Billing Code Overview

Service type: Surgical orbital exploration with biopsy
Typical site of service: Operating room or ambulatory surgical center, with possible inpatient setting depending on clinical complexity and patient needs

Data not available in the input for payers, taxonomies, and ICD-10 diagnoses.

Clinical & Coding Specifications

Clinical Context

A typical patient is a 58-year-old presenting with progressive unilateral proptosis, painful eye movement, and decreased visual acuity over several weeks. Imaging (orbital CT or MRI) demonstrates a well-circumscribed enhancing orbital mass suspicious for neoplasm within the intraconal space. After multidisciplinary evaluation (ophthalmology oculoplastics or orbital surgery, radiology), the surgeon schedules an operative orbital exploration without creating a bone flap to directly visualize the orbit, obtain diagnostic biopsies, and assess tumor extent.

Preoperative workflow includes informed consent, pre-op anesthetic evaluation (general anesthesia commonly used), operative planning with imaging review, and marking of the surgical site. Intraoperative steps include a targeted skin or conjunctival incision, careful dissection through soft tissues into the orbit, identification of the lesion, excisional or incisional biopsy with hemostasis, and layered closure. The specimen is sent to pathology for histologic diagnosis. Postoperative care includes monitoring for vision changes, orbital hematoma, infection, pain control, and short-term follow-up with ophthalmology for wound check and pathology review.

Typical site of service: Ambulatory surgery center or hospital operating room. Service type: Surgical — orbital exploration with biopsy (diagnostic open orbital procedure).

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services	Use when the procedure required substantially greater work than typical (unusual intraoperative findings or extensive dissection).
`23`	Unusual anesthesia	Use when general anesthesia is required for a procedure that is usually performed with local/regional anesthesia due to unusual circumstances.
`26`	Professional component	Use if only the physician professional component is reported separate from technical services (rare for this surgical procedure).
`50`	Bilateral procedure	Use if identical exploration/biopsy is performed on both orbits during the same operative session.
`51`	Multiple procedures	Use when additional unrelated procedures are performed at the same session (report as appropriate per payer rules).
`52`	Reduced services	Use when the procedure is partially reduced or not completed as planned.
`53`	Discontinued procedure	Use when the procedure is started but aborted for patient safety before completion.
`59`	Distinct procedural service	Use to indicate a separate and distinct procedure when needed to bypass bundling edits (e.g., separate incision site).
`62`	Two surgeons	Use when two surgeons work together as primary surgeons performing distinct portions of the procedure.
`76`	Repeat procedure by same physician	Use if the same procedure is repeated later the same day by the same physician (code `76` not listed in raw modifiers; use from provided list only).
`RT`	Right side	Use to indicate the procedure was performed on the right orbit.
`LT`	Left side	Use to indicate the procedure was performed on the left orbit.
`53`	Procedure discontinued	See above.
`TC`	Technical component	Use when only the facility/technical component is billed separately from the professional surgeon's service.
`73`	Discontinued outpatient after anesthesia start	Use when the outpatient procedure is discontinued after anesthesia is started and patient is returned to recovery.

Taxonomy Code	Specialty	Notes
207L00000X	Ophthalmology	Ophthalmologists with oculoplastic/orbital training commonly perform orbital explorations.
207P00000X	Otolaryngology	Head and neck surgeons may perform orbital approaches when disease extends from paranasal sinuses.
207K00000X	Plastic Surgery	Reconstructive surgeons assist with complex orbital exposure and reconstruction.
363LP0800X	Anesthesiology	Anesthesiologists provide general anesthesia for orbital surgery when indicated.
2080P0202X	Surgical Oncology	Surgical oncologists may be involved for orbital tumors with suspected malignancy.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`D31.0`	Benign neoplasm of orbit	Common indication for orbital exploration to obtain tissue diagnosis and guide management.
`C69.9`	Malignant neoplasm of eye, unspecified	Suspected orbital malignancy or extension from intraocular tumors prompts exploration and biopsy.
`H05.30`	Orbital cellulitis, unspecified	Severe orbital infection with abscess may require exploration, drainage, and biopsy if atypical.
`H05.29`	Orbital pseudotumor (orbital inflammatory syndrome)	Diagnostic exploration and biopsy can distinguish inflammatory disease from neoplasm.
`S05.89XA`	Other injury of eye and orbit, initial encounter	Traumatic orbital pathology with retained foreign body or hematoma may require exploration.
`H05.8`	Other disorders of orbit	Miscellaneous orbital masses or structural abnormalities requiring diagnostic exploration.
`C44.299`	Other malignant neoplasm of skin of other part of face	Cutaneous malignancies with orbital extension may necessitate orbital exploration and biopsy.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`67028`	Incision and removal of intraocular foreign body	Performed when intraocular extension or foreign body requires intraocular removal; may be performed before or after orbital exploration if intraocular involvement is identified.
`67500`	Excision of lesion of eyelid (e.g., benign lesion)	Performed for external eyelid lesions requiring excision that may be adjacent to orbital exploration; sometimes combined during the same operative session.
`67800`	Repair of traumatic eyelid laceration without closure of full-thickness defect	May be used when orbital exploration is performed after trauma and eyelid repair is required.
`92225`	Ophthalmic ultrasound, diagnostic; with A-scan and B-scan	Preoperative diagnostic imaging commonly performed to characterize orbital masses prior to exploration.
`70540`	MRI orbit without contrast (Note: radiology CPTs vary)	Cross-sectional imaging such as orbital MRI is performed preoperatively to define lesion location and plan the surgical approach.

CPT 67405: Orbital Incision and Drainage for Abscess

CPT-67412-ORBITAL-INCISION-ORBITAL-TISSUE-REMOVAL

CPT 67412: Orbital Incision for Removal of Diseased Orbital Tissue

CPT-67413-ORBITAL-FOREIGN-BODY-REMOVAL

CPT 67413: Incision of Orbit for Removal of Foreign Body

CPT-67414-ORBITAL-BONY-DECOMPRESSION-EYELID-CONJUNCTIVAL-APPROACH

CPT 67414: Orbital Bony Decompression via Eyelid or Conjunctival Approach

CPT-67415-ORBITAL-NEEDLE-BIOPSY-DIAGNOSTIC

CPT 67415: Orbital Needle Biopsy for Diagnostic Evaluation

CPT-67420-LATERAL-ORBITOTOMY-ORBITAL-TUMOR-RESECTION

CPT 67420: Lateral Orbitotomy for Orbital Tumor Resection

CPT-67430-ORBITAL-FOREIGN-BODY-REMOVAL-ORBITAL-SURGERY

CPT 67430: Orbital Foreign Body Removal, Bone Window or Flap

CPT-67440-ORBITOTOMY-DRAINAGE-ORBITAL-FLUID-COLLECTION

CPT 67440: Orbitotomy for Drainage of Orbital Cyst or Abscess

CPT-67445-ORBITAL-BONE-REMOVAL-ORBITAL-DECOMPRESSION

CPT 67445: Orbital Bone Removal for Decompression or Access

CPT-67450-ORBITOTOMY-EXPLORATION-BIOPSY

CPT 67450: Orbitotomy with Exploration and Biopsy

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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Clinical & Coding Specifications

Clinical Context

Typical site of service: Ambulatory surgery center or hospital operating room. Service type: Surgical — orbital exploration with biopsy (diagnostic open orbital procedure).

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services	Use when the procedure required substantially greater work than typical (unusual intraoperative findings or extensive dissection).
`23`	Unusual anesthesia	Use when general anesthesia is required for a procedure that is usually performed with local/regional anesthesia due to unusual circumstances.
`26`	Professional component	Use if only the physician professional component is reported separate from technical services (rare for this surgical procedure).
`50`	Bilateral procedure	Use if identical exploration/biopsy is performed on both orbits during the same operative session.
`51`	Multiple procedures	Use when additional unrelated procedures are performed at the same session (report as appropriate per payer rules).
`52`	Reduced services	Use when the procedure is partially reduced or not completed as planned.
`53`	Discontinued procedure	Use when the procedure is started but aborted for patient safety before completion.
`59`	Distinct procedural service	Use to indicate a separate and distinct procedure when needed to bypass bundling edits (e.g., separate incision site).
`62`	Two surgeons	Use when two surgeons work together as primary surgeons performing distinct portions of the procedure.
`76`	Repeat procedure by same physician	Use if the same procedure is repeated later the same day by the same physician (code `76` not listed in raw modifiers; use from provided list only).
`RT`	Right side	Use to indicate the procedure was performed on the right orbit.
`LT`	Left side	Use to indicate the procedure was performed on the left orbit.
`53`	Procedure discontinued	See above.
`TC`	Technical component	Use when only the facility/technical component is billed separately from the professional surgeon's service.
`73`	Discontinued outpatient after anesthesia start	Use when the outpatient procedure is discontinued after anesthesia is started and patient is returned to recovery.

Taxonomy Code	Specialty	Notes
207L00000X	Ophthalmology	Ophthalmologists with oculoplastic/orbital training commonly perform orbital explorations.
207P00000X	Otolaryngology	Head and neck surgeons may perform orbital approaches when disease extends from paranasal sinuses.
207K00000X	Plastic Surgery	Reconstructive surgeons assist with complex orbital exposure and reconstruction.
363LP0800X	Anesthesiology	Anesthesiologists provide general anesthesia for orbital surgery when indicated.
2080P0202X	Surgical Oncology	Surgical oncologists may be involved for orbital tumors with suspected malignancy.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`D31.0`	Benign neoplasm of orbit	Common indication for orbital exploration to obtain tissue diagnosis and guide management.
`C69.9`	Malignant neoplasm of eye, unspecified	Suspected orbital malignancy or extension from intraocular tumors prompts exploration and biopsy.
`H05.30`	Orbital cellulitis, unspecified	Severe orbital infection with abscess may require exploration, drainage, and biopsy if atypical.
`H05.29`	Orbital pseudotumor (orbital inflammatory syndrome)	Diagnostic exploration and biopsy can distinguish inflammatory disease from neoplasm.
`S05.89XA`	Other injury of eye and orbit, initial encounter	Traumatic orbital pathology with retained foreign body or hematoma may require exploration.
`H05.8`	Other disorders of orbit	Miscellaneous orbital masses or structural abnormalities requiring diagnostic exploration.
`C44.299`	Other malignant neoplasm of skin of other part of face	Cutaneous malignancies with orbital extension may necessitate orbital exploration and biopsy.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`67028`	Incision and removal of intraocular foreign body	Performed when intraocular extension or foreign body requires intraocular removal; may be performed before or after orbital exploration if intraocular involvement is identified.
`67500`	Excision of lesion of eyelid (e.g., benign lesion)	Performed for external eyelid lesions requiring excision that may be adjacent to orbital exploration; sometimes combined during the same operative session.
`67800`	Repair of traumatic eyelid laceration without closure of full-thickness defect	May be used when orbital exploration is performed after trauma and eyelid repair is required.
`92225`	Ophthalmic ultrasound, diagnostic; with A-scan and B-scan	Preoperative diagnostic imaging commonly performed to characterize orbital masses prior to exploration.
`70540`	MRI orbit without contrast (Note: radiology CPTs vary)	Cross-sectional imaging such as orbital MRI is performed preoperatively to define lesion location and plan the surgical approach.

CPT 67405: Orbital Incision and Drainage for Abscess

CPT-67412-ORBITAL-INCISION-ORBITAL-TISSUE-REMOVAL

CPT 67412: Orbital Incision for Removal of Diseased Orbital Tissue

CPT-67413-ORBITAL-FOREIGN-BODY-REMOVAL

CPT 67413: Incision of Orbit for Removal of Foreign Body

CPT-67414-ORBITAL-BONY-DECOMPRESSION-EYELID-CONJUNCTIVAL-APPROACH

CPT 67414: Orbital Bony Decompression via Eyelid or Conjunctival Approach

CPT-67415-ORBITAL-NEEDLE-BIOPSY-DIAGNOSTIC

CPT 67415: Orbital Needle Biopsy for Diagnostic Evaluation

CPT-67420-LATERAL-ORBITOTOMY-ORBITAL-TUMOR-RESECTION

CPT 67420: Lateral Orbitotomy for Orbital Tumor Resection

CPT-67430-ORBITAL-FOREIGN-BODY-REMOVAL-ORBITAL-SURGERY

CPT 67430: Orbital Foreign Body Removal, Bone Window or Flap

CPT-67440-ORBITOTOMY-DRAINAGE-ORBITAL-FLUID-COLLECTION

CPT 67440: Orbitotomy for Drainage of Orbital Cyst or Abscess

CPT-67445-ORBITAL-BONE-REMOVAL-ORBITAL-DECOMPRESSION

CPT 67445: Orbital Bone Removal for Decompression or Access

CPT-67450-ORBITOTOMY-EXPLORATION-BIOPSY

CPT 67450: Orbitotomy with Exploration and Biopsy

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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CPT 67400: Orbital Exploration and Biopsy

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Billing Code Overview

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CPT 67400: Orbital Exploration and Biopsy

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Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References