H05.819 – Cyst of unspecified orbit
ICD-10-CM 2027 diagnosis code · Disorders of eyelid, lacrimal system and orbit
ICD-10-CM code
H05.819
- Code
H05.819(claims format:H05819)- Description
- Cyst of unspecified orbit
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 7. Diseases of the eye and adnexa (H00-H59)
- Block
- H00-H05 Disorders of eyelid, lacrimal system and orbit
- Parent codes
- H05 › H05.8 › H05.81
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
H05 – Disorders of orbit
Excludes1 (not coded here):
- congenital malformation of orbit (Q10.7)
H05.81 – Cyst of orbit
Applicable to:
- Encephalocele of orbit
Block H00-H05
Related codes in H05.81
- H05.811 – Cyst of right orbitBillable
- H05.812 – Cyst of left orbitBillable
- H05.813 – Cyst of bilateral orbitsBillable
Frequently asked questions
What is ICD-10 code H05.819?
H05.819 is the ICD-10-CM code for cyst of unspecified orbit, in the block H00-H05 (Disorders of eyelid, lacrimal system and orbit).
Is H05.819 a billable code?
Yes. H05.819 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does H05.819 belong to?
It belongs to category H05 – Disorders of orbit.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.