Affiliated with a Castle Connolly Top Hospital
Who is Dr. Sy, Cornea and External Diseases Specialist in Chicago, IL?
Is Dr. Sy board certified as a Cornea and External Diseases Specialist?
Yes, Dr. Harold Sy, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Sy speak?
Dr. Sy and their clinical team can communicate with patients in the following languages:
- English
- Spanish
- Tagalog
What conditions does a Cornea and External Diseases Specialist like Dr. Sy typically treat?
As a Cornea and External Diseases Specialist, Dr. Sy diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Sy. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Cataract
- Combined Age-Related Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
- Mixed Type Cataract
- Multiple Cataract Types
ICD-10 Codes:
- H25813: Combined forms of age-related cataract, bilateral
- H25812: Combined forms of age-related cataract, left eye
- H25811: Combined forms of age-related cataract, right eye
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- Strands and floaters in the eye's gel
- Eye Disease
- Eye floaters
- Vitreous opacities
- Vitreous membranes
ICD-10 Codes:
- H43393: Other vitreous opacities, bilateral
Also known as:
- Dry Eyes
- Tears
- Dry eye syndrome
- Keratoconjunctivitis sicca
- Ocular dryness
ICD-10 Codes:
- H04123: Dry eye syndrome of bilateral lacrimal glands
Also known as:
- Borderline Open-Angle Glaucoma
- Glaucoma
- Early Open-Angle Glaucoma
- Open-angle glaucoma suspect
- Risk of Open-Angle Glaucoma
ICD-10 Codes:
- H40013: Open angle with borderline findings, low risk, bilateral
What procedures does a Cornea and External Diseases Specialist like Dr. Sy typically perform?
As a Cornea and External Diseases Specialist, Dr. Sy performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Sy. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Cataract Removal with Lens Implant
- Extracapsular cataract extraction
- Phacoemulsification
- IOL implantation
CPT Codes:
- 66984: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); without endoscopic cyclophotocoagulation
Also known as:
- Laser Surgery for Secondary Cataract
- YAG Laser Capsulotomy
- Posterior Capsulotomy
- Secondary Cataract Removal
- Laser Eye Surgery
CPT Codes:
- 66821: Discission of secondary membranous cataract (opacified posterior lens capsule and/or anterior hyaloid); laser surgery (eg, YAG laser) (1 or more stages)
Also known as:
- Complex Cataract Removal with Lens Implant
- Advanced Cataract Surgery
- Phacoemulsification with IOL
- Complex Extracapsular Cataract Extraction
CPT Codes:
- 66982: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1-stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification), complex, requiring devices or techniques not generally used in routine cataract surgery (eg, iris expansion device, suture support for intraocular lens, or primary posterior capsulorrhexis) or performed on patients in the amblyogenic developmental stage; without endoscopic cyclophotocoagulation
Also known as:
- Tear Duct Plug Insertion
- Punctal Plug Insertion
- Lacrimal Punctum Closure
- Dry Eye Plugs
CPT Codes:
- 68761: Closure of the lacrimal punctum; by plug, each
Also known as:
- Chalazion Removal
- Eyelid Cyst Excision
- Stye Removal Surgery
- Meibomian Cyst Removal
CPT Codes:
- 67800: Excision of chalazion; single
Does Dr. Sy accept my insurance?
Dr. Sy accepts most major insurance plans. Important: Please call our office at (773) 282-2000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sy accept in Chicago, IL?
Dr. Sy in Chicago, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Advocate Health Care
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Health Care Service Corporation
Humana
Medicare
State of Illinois
UnitedHealth Group
View All Insurances
Where is Dr. Sy's office located?
What hospitals are Dr. Sy affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Sy has admitting privileges at the following hospitals:
What is Dr. Sy's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sy's National Provider Identifier (NPI) number is 1992730030.
What common questions do patients ask about Dr. Sy?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sy